Occult primary syphilis: the nonerosive chancre.
Sperling
L C
LC
Walter Reed Army Medical Center, Washington, D.C.
Hicks
K
K
James
W D
WD
D000328:Adult; D006801:Humans; D007273:Injections, Intramuscular; D008297:Male; D010400:Penicillin G / Q000008:administration & dosage / Q000627:therapeutic use; D012867:Skin / Q000473:pathology*; D013587:Syphilis / Q000188:drug therapy / Q000473:pathology*
D010400:Penicillin G