Household Cigarette Smoke Exposure and Bronchopneumonia Among Children Under Five: A Cross-Sectional Study at RSU Bunda Padang. Immortalis J. Med. Allied Health Sci [Internet]. 2026 Jul. 16 [cited 2026 Aug. 9];1(1):52-6. Available from: https://immortalispub.com/IJMAHS/article/view/130