The Wassermann positive rate of cases from hospitals and venereal clinics of Calcutta in 1939, 1943, 1944 and 1945.
GREVAL
S D S
SD
CHOWDHURY
A B R
AB
DAS
B C
BC
D001699:Biometry; D006761:Hospitals; D007194:India; D013587:Syphilis / Q000453:epidemiology* / Q000706:statistics & numerical data*
SYPHILIS/epidemiology and statistics