Pengaruh Pemberian N-Asetil Sistein terhadap Profil Kadar Oksidan, Enzim Transaminase, dan Bilirubin pada Anak dengan Leukemia Limfoblastik Akut dalam Kemoterapi Fase Induksi: Uji Klinis Acak Penyamaran Tunggal = Effect of N-Acetylcysteine on Level of Oxidant Profile, Transaminase Enzyme, and Bilirubin Level among Children with Acute Lymphoblastic Leukemia Undergoing Induction Phase Chemotherapy: Single Blind Randomized Clinical Trial.