title: AN EXPOSURE-TUBE FOR DETERMINING THE MORTALITY OF SIMULIUM LARVAE IN RIVERS FOLLOWING LARVICIDAL OPERATIONS.
mesh_terms: D000818:Animals; D004175:Diptera; D007306:Insecticides; D007814:Larva; D010600:Pharmacology; D045483:Rivers; D012843:Simuliidae; D013672:Technology
chemical_list: D007306:Insecticides
keywords: DIPTERA; INSECTICIDES; PHARMACOLOGY; TECHNOLOGY