A study of the effect of bleeding and of repeated blood donation on serologic tests for syphilis.
BOERNER
F
F
NEMSER
S
S
STOKES
J H
JH
D001782:Blood Donors; D006471:Gastrointestinal Hemorrhage; D041981:Gastrointestinal Tract; D006470:Hemorrhage; D006801:Humans; D012698:Serologic Tests; D013587:Syphilis; D013588:Syphilis Serodiagnosis
GASTROINTESTINAL TRACT/hemorrhage; SYPHILIS/serodiagnosis