Wardani, Chusna, Budirahardjo, Roedy, AND Yuwono, Budi. " Pengaruh Pemberian Ekstrak Propolis Terhadap Kadar Kolesterol Darah Tikus Wistar Jantan Setelah Dipapar Sidestream Cigarette Smoke (Effect of Propolis Extract on Blood Cholesterol Level in Male Wistar Rats After Being Exposed to Sidestream Cigarette Smoke" Pustaka Kesehatan [Online], Volume 4 Number 3 (11 August 2017)