Premaratna, B.A.H.R.Sathischandra, H.Thilakaratne, Y.Shantharaj, W.S.de Silva, H.J.2015-09-292015-09-292000Proceedings of the Sri Lanka Medical Association, Anniversary Academis Sessions. 2000; 113: 250009-0875 (Print)http://repository.kln.ac.lk/handle/123456789/9790Sri Lanka Medical Association, Anniversary Academis Session, 113th Annual Academic Sessions Abstracts (OP2), March 22-25 2000. ColomboAbstracts Availableen-UScardio-respiratoryArticle