TY  - BOOK
AU  - Hobson,William
TI  - The theory and practice of public health
T2  - Oxford medical publications
SN  - 0192642227 :
AV  - MED RA425 H57 
PY  - 1975///
CY  - London, New York
PB  - Oxford University Press
KW  - Public health
ER  -