Lestariningrum, N.A. et al. 2012. Effect of Vitamin E Tocotrienol and Its Combination with Ascorbic Acid to Types of Leukocytes White Rat (Rattus norvegicus L.). Sains Medika: Jurnal Kedokteran dan Kesehatan. 4, 1 (Jun. 2012), 46–56. DOI:https://doi.org/10.30659/sainsmed.v4i1.384.