Abeysena, C.2014-10-292014-10-292008Journal of the College of Community Physicians of Sri Lanka. 2008; 13(2): pp.26-281391-3174http://repository.kln.ac.lk/handle/123456789/1849No Abstract AvailableStrengthening the reporting of observational studies in epidemiology (STROBE) statement:new guidelines for reporting observational studiesReview ArticlePublic Health