TY  - BOOK
AU  - Simmons,James Stevens
TI  - Global epidemiology: a geography of disease and sanitation 
U1  - 614.49 
PY  - 1944///
CY  - Philadelphia
PB  - Lippincott
KW  - Epidemics
KW  - Medical geography
N1  - library has vol.1
ER  -