Concept
Case-Control Studies
Catalogue
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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]