title: A false-positive FTA-ABS test in a heroin addict.
mesh_terms: D000328:Adult; D005189:False Positive Reactions; D005455:Fluorescent Antibody Technique; D006556:Heroin Dependence / Q000150:complications; D006801:Humans; D008297:Male; D011291:Premarital Examinations; D019966:Substance-Related Disorders / Q000150:complications*; D013588:Syphilis Serodiagnosis; D013997:Time Factors