TY  - BOOK
TI  - American journal of public health
T2  - 38
U1  - 614.05 
PY  - 1948///
PB  - American Public Health Association,New York
KW  - Health and Hygiene
KW  - Public health--Periodicals | Preventive medicine--APHA
N1  - Public Health; Epidemiology; Community Health; American; Preventive Medicine
ER  -