The national health and morbidity survey 2012: Perak - Kuala Lumpur: Institute for Public Health, Ministry of Health Malaysia, 2013 - 138p.: ill.; 29cm ISBN: 9879833887842 Subjects--Topical Terms: Morbidity surveyMorbidity survey--Perak Gov. Doc. Class. No.: MOH/S/IKU/19.13(TR)