Jayarathna, R.N.; Wijeyaratne, C.N.; Dodampahala, S.H.; Randeniya, R.; Tudawe, M.; Seneviratne, S.I.(The Sri Lanka College of Obstetricians and Gynaecologists, 2007)
Gunawardane, P.T.K.; Wijeyaratne, C.N.; Dodampahala, S.H.; Jayawardane, D.B.I.A.; Tudawe, M.; Seneviratne, S.L.(The Sri Lanka College of Obstetricians and Gynaecologists, 2006)