A check-list for observational research?
- 31 December 1987
- journal article
- other
- Published by Elsevier in Journal of Chronic Diseases
- Vol. 40 (11) , 1067-1068
- https://doi.org/10.1016/0021-9681(87)90123-8
Abstract
No abstract availableKeywords
This publication has 4 references indexed in Scilit:
- A short note on the history of the randomized controlled trialJournal of Chronic Diseases, 1987
- Noncontraceptive Hormones and Rheumatoid Arthritis in Perimenopausal and Postmenopausal WomenJAMA, 1986
- Observational studies of cause-effect relationships: An analysis of methodologic problems as illustrated by the conflicting data for the role of oral contraceptives in the etiology of rheumatoid arthritisJournal of Chronic Diseases, 1986
- Do oral contraceptives prevent rheumatoid arthritis?Published by American Medical Association (AMA) ,1985