EFFECT OF COINCIDENTAL PENICILLIN ADMINISTRATION ON  THE SPREAD OF SYPHILIS: AN ATTEMPT AT QUANTITATION.
D003140:Communicable Disease Control; D004813:Epidemiology; D006801:Humans; D010406:Penicillins; D013223:Statistics as Topic; D013587:Syphilis
D010406:Penicillins
COMMUNICABLE DISEASE CONTROL; EPIDEMIOLOGY; PENICILLIN; STATISTICS; SYPHILIS