[Clinical trial of a new dentifrice formulation from VEB Elbe-Chemie].
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Biomedical subjects
Publications and source records attributed to F Wendt.
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The organizational and statistical concept of the cooperative randomized controlled clinical trial on gnotobiotic care and its effect in acute leukamia patients is described. The purpose is the clarification of the concept of the study and the comparison with other studies on the same subject. It is concluded that the value of the results and of the decisions based on them depend mainly on the statistical design, the protocol, and the performance of a study. The performance of a controlled study depends on its organizational details, its monitoring, documentation, and appropriate biometric evaluation. In this particular study it proved fruitful that a statistician was engaded in the evaluation and also in developing the protocol and in carrying out the study.
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Survey of the clinical and diagnostic treatment of arteriomesenteric obstruction. Report on 4 cases of chronic obstruction and 2 cases of acute occlusion of the duodenum due to the root of mesenteric vessels. Indication of operation. Recommendation of retrocolic side-to-side duodenojejunostomy.
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A method is described according to which the number of thrombocytes may be calculated from the optical density of plasma enriched with platelets. The accuracy of the method is ensured by statistical calculations. Citrate venous blood of 60 surgical patients was used for the measurements.