@phdthesis{93639,
  author = {Bahr G},
  title = {n vitro studies of the immunity of man to mycobacterium with special emphasis on leprosy},
  year = {1980},
  publisher = {University College London },
  url = {https://ethos.bl.uk/OrderDetails.do?did=40&uin=uk.bl.ethos.237669},
  language = {eng},
}