@article{13651, keywords = {Drug Resistance, Humans, leprosy, Sulfones}, author = {Crawford C L}, title = {Letter: Sulphone resistance in leprosy.}, year = {1975}, journal = {Lancet (London, England)}, volume = {2}, pages = {280}, month = {1975 Aug 09}, issn = {0140-6736}, doi = {10.1016/s0140-6736(75)90995-2}, language = {eng}, }