00590nas a2200229   4500000000100000008004100001260000900042653001800051653001100069653001800080653001200098653001200110653002300122653003000145653002000175653003000195100001300225245009100238300001000329490000700339022001400346       1979                            d  c197910aDrug Industry10aHumans10aImmunotherapy10aleprosy10aMalaria10aParasitic Diseases10aResearch Support as Topic10aTrypanosomiasis10aWorld Health Organization1 aMaar E W00aThe new policies of WHO research for new tools to control six major tropical diseases.  a147-90 v73  a0035-9203