Schulz KF, Chalmers I, Hayes RJ, Altman DG. Empirical evidence of bias. Dimensions of methodological quality associated with estimates of treatment effects in controlled trials. JAMA. 1995 Feb 1;273(5):408-12

Clinical A service of the U.S. National Institutes of Health, Learn About Clinical Studies, available at

Eberly College of Science PennState STAT 509 Design and Analysis of Clinical Trials, available at

Thadhani R. Formal trials versus observational studies. In: Mehta A, Beck M, Sunder-Plassmann G, editors. Fabry Disease: Perspectives from 5 Years of FOS. Oxford: Oxford PharmaGenesis; 2006. Chapter 14

Бен Голдейкър Псевдонауката, Глава 4 Хомеопатията, 2011стр. 52-65.

Вашият коментар

Вашият имейл адрес няма да бъде публикуван. Задължителните полета са отбелязани с *