M.N. Lucas, P Lanerolle, U Senarath, WMPM Wijeratne, SASN Solangarachchi, KHC Jayashani, A Hills, VP Wickramasinghe. Do girls and boys behave differently in early life? Brazelton /neonatal behavior assessment scoring (NBAS) of healthy term infants in the first two months of life at a tertiary care hospital in colombo, sri lanka. 23 rd  Annual Scientific Congress of the Sri Lanka College of Paediatricians, 2020.