Gunawardane, P.T.K.; Wijeyaratne, C.N.; Arandara, D.C.; Arasalingam, A.; Dodampahala, S.H.; Seneviratne, H.R.(The Sri Lanka College of Obstetricians and Gynaecologists, 2006)
Arandara, D.C.; Waduge, T.R.W.; Wijeyaratne, C.N.; Balen, A.H.; Wijeratne, A.S.D.S.; Gunewardena, A.U.A.(The Sri Lanka College of Obstetricians and Gynaecologists, 2005)