TY  - BOOK
T1  - The plague killers.
A1  - Williams, Greer 1909-
LA  - English
PP  - New York
PB  - Scribner
YR  - 1969
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-1685675941123778040
OP  - 345
CN  - RA 639 W55 1969
KW  - Hookworm disease.
KW  - Malaria.
KW  - Yellow fever.
KW  - Insects as carriers of disease.
ER  -