TY  - BOOK
AU  - Pollock T M
ED  - World Health Organization
TI  - Trials of prophylactic agents for the control of communicable diseases: a guide to their organization and evaluation
U1  - 614.09 
PY  - 1966///
CY  - Geneva
PB  - W H O
KW  - Communicable database
KW  - Public health
ER  -