Bilirubin article 6 bilirubin 6 Female 4 Liver 4 Mammalia 4 Oxidative stress 4 controlled study 4 female 4 human 4 oxidative stress 4 5 aminolevulinate synthase 2 5-Aminolevulinate Synthetase 2 Acetaminophen 2 Adolescent 2 Adult 2 Alanine Transaminase 2 Animalia 2 Animals 2 Anti-oxidant defenses 2 Aspartate Aminotransferases 2 Blood Glucose 2 Blood Proteins 2 Cholinesterases 2 Creatinine 2 Heme 2 Heme catabolism 2 Heme metabolism 2 Heme oxygenase 2 Humans 2