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At least 19 recordsLinked to original sources
PubMed1988

Occupational therapy articles in serial publications: an analysis of sources.

This study was designed to locate and document serial literature on occupational therapy published since 1900. Emphasis is placed on finding articles on occupational therapy or by occupational therapists from sources other than those normally associated with the professional journals. Multiple sources were used including print indexes, online databases, occupational therapy bibliographies, and tables of contents or yearly indexes. Almost 7,000 articles were identified, not including those published in foreign journals. Occupational therapy publications have increased steadily since 1900, with the most rapid increase during the 1970s and 1980s when five new occupational therapy journals were initiated. Suggestions for formulating search strategies are included.

Abstracting and Indexing↗
PubMed1982

[Serial publications of the World Health Organization. Scientifico-metric study].

A comprehensive study was carried out on the serial editions of the World Health Organization, European Regional Bureau and of the International Agency of cancer studies for the period 1950-1981. A total of 1060 publications were analyzed concerning the type, quantitative characteristic and their thematic trends. The science-metric analysis revealed that the series "Technical reports" had the longest duration--32 years. A firm increase both of the number of the publications and the series is outlined. Thematically, the publications concerning the organization and management of public health have the greatest relative share. The publications about infectious diseases and the campaign against them are also widely covered as well as the oncologic diseases, nutrition, environmental preservation, psychic diseases, etc. The study revealed that the system for scientific communications of WHO in medicine and public health is an example of collective team scientific work and international character of medical service of modern type--international both as creation and consumption.

History, 20th Century↗
PubMedDate not supplied

Prediction and validation in the public health modelling of HIV/AIDS.

Mathematical models are an integral part of long-range scientific research and are broadly equivalent to the hypotheses to be tested. Validation consists: (1) in checking whether theoretical expectations are sufficiently close to observed values; and (2) in showing that theoretical constructions that pass the first test can also make verifiable predictions of future events. When modelling is used in operational situations to assist practical decision-making, as in the public health surveillance, prediction and control of infectious diseases, especially HIV/AIDS, it is easy to use the first criterion, but not so simple to implement the second. The paper discusses various methods of improving the validation of a specific classical compartmental model of HIV/AIDS geared to good serial public health data on AIDS incidence. These methods include model fitting to existing data, cross-checking findings with independent research results, general circumstantial support, and the possibility in special situations of the quasi-prediction of present or recent data using models fitted only to sufficiently distant past data.

Acquired Immunodeficiency Syndrome↗
PubMed1983

References to contemporary papers on acoustics.

In most of the following references, the author's name is followed by the title of the paper or book in boldface, the journal, the volume number in boldface, the issue number in parentheses, the page reference, and lastly, in parentheses, the year. Where reference is made to abstract journals that number their abstracts, the abstract number is given instead of a page reference. Abstracts in Annales des Tèlècommunications are in French and those for Referativnyi Zhurnal, Fizika (three series, E, I, Zh) are in Russian [where, e.g., Ref. Zh. Fiz. 7 E425 (1979) means: July issue, E, abstract no. 425, year 1979.] When possible, the abbreviations for the names of the journals follow those in Bibliographic Guide for Editors & Authors (1974). A number preceded by the letters AD, DE, PB, or N refers to the accession/report number of the Government Reports Announcements & Index. The numbers to the left of the sections and sub-sections in this volume correspond to those that appear in the Classification of Subjects preceding the index in the June 1983 issue of JASA. Compiled from various sources. For many of the journals referred to here, those interested will find their addresses in either the semi-annual Author Index of Physics Abstracts or the annual Physics Briefs: List of Abstracted Periodical and Serial Publications.

Acoustics↗
PubMed1999

[Publications].

Explore the source record for details and available documents.

Publishing↗
PubMed1976

The PHILSOM system--one user's experience.

The University of Texas Health Science Center at San Antonio joined the PHILSOM system, a comprehensive serials control network, in 1971. The experiences of the library in using the system are described. The major benefit of the system has been multiple copies of the holdings list which have made the serial records publicly accessible and significantly increased their value. Tallies of these lists' use indicate that more than half of serials-related questions are now answered directly by the users. The effects of PHILSOM on the procedures of the serials department--processing, claiming, bindery, and personnel are described. Costs to the network and the UTHSCSA Library are briefly summarized.

Catalogs, Library↗
PubMed1998

Time to publication as full reports of abstracts of randomized controlled trials in cystic fibrosis.

OBJECTIVES: To determine 1) what proportion of abstracts of randomized controlled trials (RCTs) presented at international conferences on cystic fibrosis (CF) are published as full reports, 2) time to publication, and 3) factors that might delay or prevent publication. METHODS: At the end of 1995, the Cochrane CF Group's register of RCTs contained 199 abstracts describing 180 RCTs. Abstracts were identified by handsearching 44 abstract books of three international CF conferences over a 30-year period. We searched the register for subsequent full reports of these RCTs and used survival analysis to investigate time to publication. Using the log-rank test, we examined 1) whether there is a difference in time to publication between reports where the investigators concluded that the test treatment was as effective as or better than the control treatment, and reports where it was not, and 2) whether there is a difference in time to publication according to sample size. RESULTS: Thirty-two percent of the 178 abstracts analyzed were subsequently published in full. Survival analysis indicated that the proportions published before 12 months, 2 years, and 5 years were 8.1%, 29%, and 40% respectively. No difference in time to publication was identified when the abstracts were stratified according to conclusions or sample size; no significant association (P > 0.05) existed between time to publication and both sample size and conclusions together. CONCLUSION: Only a small proportion of abstracts of RCTs presented at international conferences on CF are followed by full publication, and usually only after several years. Therefore, many potentially valuable studies do not reach a wide audience. However, we found no consistent factors which might delay or prevent publication.

Abstracting and Indexing↗
PubMed1998

[Publication outcome of research funding by the Danish Heart Foundation 1988-1990].

The aim of the survey was to analyse the investment by the Danish Heart Foundation in the cardiovascular research field in the period 1988-1990 and the ensuing research results. One hundred and thirty-nine researchers were allocated a total DDK 24.1 million. Eighty percent of the researchers have concluded their research work and published 362 scientific papers in 131 journals. The total journal impact factor obtained among 270 scientific papers with known journal impact factor was 642. The median journal impact factor was 1.580. Thirty-five percent of the papers were published in journals with journal impact factor greater than three. The productivity, defined as total journal impact factor obtained divided by an estimate of the total amount (DKK 200 million) of economic support received by the researcher from all sources, was estimated to 3.2 Journal Impact Factor/DKK million. A panel of international experts reviewed the outcome of funding by the Danish Heart Foundation, and concluded that the number of publications and their impact factor was adequate in relation to the economic input.

Bibliometrics↗
PubMed1998

[Scientific activities in departments of clinical physiology/nuclear medicine in Denmark during the period 1989-1994. A bibliometric analysis of the "impact" and citation frequency].

This study reports a bibliometric analysis of 860 scientific publications of which 763 are papers in scientific journals emanating from departments of clinical physiology and nuclear medicine in Denmark in the years 1989-1994. The number of publications decreased significantly over time. The 763 papers were published in 239 different scientific journals, 80% in journals with an official "impact factor". The average impact per paper remained almost constant over time and was significantly above the national average. A close relationship was found between the number of papers from a department and its cumulated impact. In an analysis of 217 papers a direct relation was found between the journal impact factor and the citation factor. A linear relation was found between cumulated citations and time, and the number of citations per year reached a maximum 3-7 years after publication, whereas the general maximum for all medical specialties is 2-3 years. It is concluded that the total number of scientific papers from Danish departments of clinical physiology & nuclear medicine fell in the years 1989-1991, but the impact per paper was almost constant and above the national average. There seems to be a good agreement between journal impact factor and overall citation frequency in papers from clinical physiology & nuclear medicine.

Bibliometrics↗
PubMed1999

[Trends concerning medical articles 1989-1998. A study of Danish articles compared to other members of the European Union].

The paper analyses the development of the total number of journal articles indexed in the Medline database published by authors affiliated to Denmark 1989-1998 in medicine compared to the development in the European Union during the same period. The publication analysis is then compared to the citation impact of articles published in the central journals indexed in Science Citation Index (ISI) 1987-1996 through use of the National Science Indicators (NIS, ISI) database. The total number of Danish journal articles has remained relatively constant compared to a 50% increase in the EU as a whole. The number of Danish articles published in central journals, however, has increased by 20% (compared to 27% for the EU) and the number of citations obtained by these articles by 58% (compared to 66% for the EU) in the 1987-1996 period. By population, Denmark ranked third in total number of articles in 1998. In conclusion, Denmark is very active in medical research but neither the quantity nor the quality of Danish medical research has increased at the same rate as the EU average.

Databases, Bibliographic↗
PubMed1998

The journal "impact factor": a misnamed, misleading, misused measure.

The Institute for Scientific Information (ISI), a database publishing company that publishes Current Contents and Science Citation Index, has devised and promulgated what it terms the journal "impact factor." ISI describes this factor as a "measure of the frequency with which the 'average article' in a journal has been cited in a particular year." The factor is a ratio between citations and recent citable published items calculated by dividing the number of all current citations of items published in a journal during the preceding 2 years by the number of articles published in those 2 years by that journal. What, if anything, is wrong with the "impact factor"? There is absolutely nothing incorrect with the calculation of the ratio itself. However, the "impact factor" is misnamed and misleading. Being misnamed and misleading, the "impact factor" has been misused. It is being held out as a measure of the importance of a specific journal article and the journal in which the article appeared. By extension, the "impact factor" is also being misused to gauge the relative importance of individual researchers, research programs, and even the institution hosting the research. We recommend that the term "impact factor" be abolished and that this measure be renamed in keeping with its actual role, that merely of a time-specific "citation rate index" and nothing more. What is currently called the "impact factor" should not be misused to evaluate journals or to validate the scientific relevance of a particular researcher or research program, especially in decisions regarding employment, funding, and tenure.

Bibliometrics↗