Autor:	Katulanda, Prasad, Wickramasinghe, Kremlin, Mahesh, Jayaweera G., Rathnapala, Amila, Constantine, Godwin R., Sheriff, Rezvi, Matthews, David R., Fernando, Shyam S. D.
Zdroj:	Asia Pacific Journal of Public Health, 2011 Nov 01. 23(6), 861-869.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/26724174 Zobrazit plný text záznamu