OPPENOORTH, F J Allelic genes in the housefly producing modified enzymes that cause organophosphate resistance. [electronic resource] - Science (New York, N.Y.) Jul 1960 - 298-9 p. digital Publication Type: Journal Article ISSN: 0036-8075 Standard No.: 10.1126/science.132.3422.298 doi Subjects--Topical Terms: AllelesAnimalsCarboxylesteraseChromosomesEnzymesHousefliesInsecticide ResistanceInsecticidesOrganophosphates