Van den Bossche H
Nature. 1978 Jun 22;273(5664):626-30. doi: 10.1038/273626a0.
Although several good antiparasitic agents are available, new drugs are needed for the treatment of diseases such as chloroquine-resistant malaria, Chagas' disease, leishmaniasis and filariasis. The 'semirational approach' should be the basis for their synthesis.