Smallpox as a cause of false positive reactions in the Kahn test.
D005189:False Positive Reactions; D006801:Humans; D012899:Smallpox / Q000276:immunology*; D013587:Syphilis / Q000175:diagnosis*; D013588:Syphilis Serodiagnosis; D012901:Variola virus
SMALLPOX/immunology; SYPHILIS/diagnosis
J Am Med Assoc. 1952 Oct 4;150(5):467-73
14955455
Br J Vener Dis. 1954 Sep;30(3):124-40
13199280