%0 Journal Article %K Clinical Trials as Topic %K Humans %K Immunologic Techniques %K Leprostatic Agents %K leprosy %K Research Design %B Leprosy review %D 1975 %G eng %L Infolep Library - available %N 2 Suppl %P 59-61 %R 10.5935/0305-7518.19750040 %T Problems in the design of medium and long-term therapeutic trials. %U http://leprev.ilsl.br/pdfs/1975/v46s1/pdf/v46s1a08.pdf %V 46 %1 http://www.ncbi.nlm.nih.gov/pubmed/1100964?dopt=Abstract %8 1975 Jun