00345nas a2200097   4500000000100000008004100001260003100042100001100073245009300084856007000177       1980                            d  bUniversity College London 1 aBahr G00an vitro studies of the immunity of man to mycobacterium with special emphasis on leprosy  uhttps://ethos.bl.uk/OrderDetails.do?did=40&uin=uk.bl.ethos.237669