Waduge, T.R.W.; Pradeepan, M.; Sivasuriam, S.A.; Wijeratne, A.S.D.S.; Warnakulasooriya, A.M.; Wijeyaratne, C.N.; Balen, A.H.(The Sri Lanka College of Obstetricians and Gynaecologists, 2003)
Wijeyaratne, C.N.; Gunewardena, A.U.A.; Pathmakumara, A.; Nirantharakumar, K.; Barth, J.H.; Collins, M.; Balen, A.H.(The Sri Lanka College of Obstetricians and Gynaecologists, 2003)