Palihawadana, T.S.Wijesinghe, P.S.Seneviratne, H.R.2015-05-192015-05-1920119th International Scientific Meeting of the Royal College of Obstetricians and Gynaecologists, 28th-30th September 2011, Athens, Greecehttps://dl.nsf.gov.lk/handle/1/19440Medical SciencesLetrozoleOvulationWomenLetrozole resistance in ovulation induction among subjects with ovulatory dysfunction: a case control studyProceedingsRG/2007/HS/08FR1624