Zena Stein, Mervyn Susser and epidemiology: observation, causation and action.
Smith
George Davey
GD
University of Bristol, Department of Social Medicine, Bristol, UK.
Susser
Ezra
E
D015984:Causality; D004813:Epidemiology / Q000266:history*; D005762:Gastroenterology / Q000266:history; D049673:History, 20th Century; D006801:Humans