PubMed · 7239480
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1981-07-01. Sharing meals.. https://pubmed.ncbi.nlm.nih.gov/7239480/
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OBJECTIVE: To ascertain whether there are any geographic clusters of systemic lupus erythematosus (SLE), and critically review 2 previous reports of these clusters. METHODS: A literature review of all epidemiologic surveys relevant to SLE published since 1966 was undertaken. This included a search of abstracts and reports, in addition to peer-reviewed publications. RESULTS: Two geographic clusters were identified in the literature. A report purporting that contaminated ground water in southwest Tucson, Arizona was associated with significantly increased symptoms of SLE was flawed since no patients were examined, discarded criteria were used, and incorrect definitions were employed by the nonrheumatologist authors. Another study, which identified a cluster in Nogales, Arizona, used generally valid methodology. However, the authors' conclusion that a 94/100,000 prevalence of SLE was evidence of an excessive increase in this 92% Hispanic/Native American community is not consistent with published surveys among Hispanic and Native American populations. CONCLUSION: No valid claims of SLE geographic clusters have been published.
Telemedicine systems that provide health delivery services to rural clinics and hospitals are being demonstrated in clinical settings. This paper summarizes the research and consortia projects at the University of Arizona Medical Center. The paper describes the Rural and Global Picture Archiving and Communications (PACS) environment developed under a National Science Foundation grant. The Rural and Global PACS environment includes many workstations, database, and networking components and is treated as a large distributed system. These components are described in this paper. The multimedia services for radiology provided by the Rural and Global PACS are described and their performance is measured. Finally, the current research work using the Open Software Foundation's distributed computing environment (OSF DCE) services is described. An OSF DCE testbed for the Rural and Global PACS is described and the rationale of using OSF DCE in the project is presented.