The effect of previous antisyphilitic treatment on present treatment, as indicated by the records from the nation-wide study of penicillin in syphilis.
RIDER
R V
RV
D000993:Antitreponemal Agents; D006801:Humans; D010406:Penicillins; D013587:Syphilis
D000993:Antitreponemal Agents; D010406:Penicillins