TY  - BOOK
AU  - Bradford Hill,Austin
ED  - Conference on Controlled Clinical Trials
TI  - Controlled clinical trials
AV  - R850 
U1  - 615.7 18
PY  - 1960///]
CY  - Oxford
PB  - Blackwell Scientific Publications
KW  - Medicine, Experimental
KW  - lc
KW  - Medicine
KW  - Congresses
KW  - Therapeutics
KW  - mesh
KW  - Pharmacology
KW  - Drug Therapy
N1  - Bibliographie p.172-177
ER  -