TY  - BOOK
TI  - American journal of hygiene
T2  - 14
U1  - 614.05 
PY  - 1931///
PB  - School Of Hygiene And Public Health Of The Johns Hopkins University
KW  - Health and Hygiene
KW  - Hygiene--Periodicals | Epidemiology--APHA--Historical
N1  - Hygiene; Public Health; American; Epidemiology; Preventive Medicine
ER  -