Screening of 18–24-Month-Old Children for Autism in a Semi-Urban Community in Sri Lanka.Published in:Journal of Tropical Pediatrics, 2009, v. 55, n. 6, p. 402, doi. 10.1093/tropej/fmp031By:Perera, H.;Wijewardena, K.;Aluthwelage, R.Publication type:Article