TY  - BOOK
AU  - Erskine,Earl B.
TI  - Hygiene and public health
U1  - 613 
PY  - 1949///
CY  - New York
PB  - Prentice-Hall
KW  - Hygiene
KW  - Local
KW  - Public health
N1  - Bibliography: p. 307
ER  -