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)
Nirantharakumar, K; Waduge, T R W; Pradeepan, M; Wijeratne, A S D S; Warnakulasooriya, A M; Wijeyaratne, C N(Sri Lanka College of Obstetricians and Gynecologist, 2003)