TY  - BOOK
AU  - School of hygiene and tropical medicine, London
TI  - Seminars in community medicine: London school of hygiene and tropical medicine centre for extension training in community medicine
SN  - 0-19-2611216.
U1  - 362.1 
PY  - 1976///
CY  - OXford
PB  - Oxford University
ER  -