TY - JOUR KW - Clinical Trials as Topic KW - Humans KW - Immunologic Techniques KW - Leprostatic Agents KW - leprosy KW - Research Design AU - Ridley D S BT - Leprosy review C1 - http://www.ncbi.nlm.nih.gov/pubmed/1100964?dopt=Abstract CN - Infolep Library - available DA - 1975 Jun DO - 10.5935/0305-7518.19750040 IS - 2 Suppl J2 - Lepr Rev LA - eng PY - 1975 SP - 59 EP - 61 T2 - Leprosy review TI - Problems in the design of medium and long-term therapeutic trials. UR - http://leprev.ilsl.br/pdfs/1975/v46s1/pdf/v46s1a08.pdf VL - 46 SN - 0305-7518 ER -