Mendis, N.M.P.Ratnasabapathy, P.Maheswaran, K.Wijayarajah, C.2016-01-142016-01-141975The Ceylon Medical Journal, 20(2)pp.82-93https://dl.nsf.gov.lk/handle/1/20643Medical SciencesEpidemiologyInfectious diseasesPreventive medicineSanitary technologyHealth educationImmunizationPublic healthOutbreak of Cholera EI Tor in Sri Lanka, 1973Article