12889_2018_6148_MOESM1_ESM.doc (49 kB)
Additional file 1: of Prevalence and correlates of exposure to second hand smoke (SHS) among 14 to 15Â year old schoolchildren in a medical officer of health area in Sri Lanka
journal contribution
posted on 2018-11-07, 05:00 authored by A. Alagiyawanna, Esther Veerasingam, Nick TownsendQuestionnaire. (DOC 49Â kb)