De Silva, H.J.De Silva, N.R.Jayapani, V.P.P.2016-10-202016-10-201993Proceedings of the 49th Annual Sessions of the Sri Lanka Association for the Advancement of Science:p.4https://dl.nsf.gov.lk/handle/1/23457Medical SciencesParasitic intestinal diseasesAbdominal painAbdominal sympotom and intestinal parasitoses:a case controlled studyArticleRG/92/M/001FR 0689