De Silva, H.J.Wijewickrema, R.Thevanesam, V.2016-01-142016-01-141993The Ceylon Medical Journal, 38(1)pp.33-34https://dl.nsf.gov.lk/handle/1/20476Medical SciencesSalmonella typhiDrug resistanceDrug therapyMicrobiologyChloram phenicol resistant typhoid feverArticle