Malaria control in Southern Rhodesia.
D003634:DDT; D001556:Hexachlorocyclohexane; D006801:Humans; D008288:Malaria / Q000517:prevention & control*; D015030:Zimbabwe
D001556:Hexachlorocyclohexane; D003634:DDT
BENZENE HEXACHLORIDE; DDT; MALARIA/prevention and control