Type of observational study comparing two existing groups differing in outcome
Wikidata
Source:
Case-Control Studies
Works from the collections
4 works
- Books
- Online
The health and physical development of idiots as compared with mentally sound children of the same age / G.E. Shuttleworth.
Shuttleworth, G. E. (George Edward), 1842-1928.Date: [1894?]- Books
The efficacy of B. C. G. vaccination : a study on vaccinated and tuberculin negative non-vaccinated conscripts / by Gunnar Dahlström and Hans Difs ; with a foreword by Arvid Wallgren.
Dahlström, Gunnar.Date: 1951- Books
The pocket guide to critical appraisal / by Iain K. Crombie.
Crombie, I. K.Date: 1996
- Books
- Online
Development in relation to brain and nutrition.
Date: [1890]