TY - JOUR KW - Humans KW - leprosy KW - Research KW - World Health Organization BT - WHO chronicle C1 - http://www.ncbi.nlm.nih.gov/pubmed/5577408?dopt=Abstract CN - ANON1971 DA - 1971 Apr IS - 4 J2 - WHO Chron LA - eng PY - 1971 SP - 178 EP - 83 T2 - WHO chronicle TI - Leprosy: progress and problems. VL - 25 SN - 0042-9694 ER -