Gnanapragasam, J.B.Mendis, K.L.B.Sooriyabalan, T.Rodrigo, E.K.2016-01-142016-01-141976The Ceylon Medical Journal, 21(3)pp.196-201https://dl.nsf.gov.lk/handle/1/20625Medical SciencesContraceptive devicesGynaecologySurgeryArticle