Macdonald, O.J.S.Rao, P.V.2012-01-102012-01-101950The Ceylon Journal of Medical Science7(2)pp.55-61https://dl.nsf.gov.lk/handle/1/6911Medical SciencesPharmacologyMalariaPreventive medicineParasitesEnlarged spleensTrials of proguanil hydrochloride on Ceylon estatesArticle