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)
Waduge, T.R.W.; Pradeepan, M.; Wijeyaratne, C.N.; Arasalingam, A.; Malavige, N.; Seneviratne, S.(Sri Lanka College of Obstetricians and Gynecologist, 2004)