TY - JOUR KW - Aged KW - Humans KW - leprosy KW - Syphilis AU - KVITTINGEN J BT - Bulletin of the World Health Organization C1 - http://www.ncbi.nlm.nih.gov/pubmed/14935788?dopt=Abstract DA - 1952 IS - 4 J2 - Bull. World Health Organ. LA - eng PY - 1952 SP - 505 EP - 11 T2 - Bulletin of the World Health Organization TI - Behaviour and stability of serum regains in false-positive serological tests in leprosy. UR - https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2554069/pdf/bullwho00637-0130.pdf VL - 5 SN - 0042-9686 ER -