title: Infectivity tests in syphilis.
mesh_terms: D000368:Aged; D000818:Animals; D001082:Aqueous Humor / Q000382:microbiology; D001706:Biopsy; D002555:Cerebrospinal Fluid / Q000382:microbiology; D005260:Female; D006801:Humans; D007668:Kidney / Q000382:microbiology; D008099:Liver / Q000382:microbiology; D008198:Lymph Nodes / Q000382:microbiology; D008297:Male; D008875:Middle Aged; D011817:Rabbits; D013587:Syphilis / Q000175:diagnosis* / Q000382:microbiology; D013588:Syphilis Serodiagnosis; D014210:Treponema pallidum / Q000302:isolation & purification / Q000472:pathogenicity