Usa Boonyuen. (2014) Human liver carboxylesterase 1 structure, polymorphism and its role in drug and prodrug activation and metabolism. <i>Journal of Medicine and Health Sciences</i>, <i>21</i>(2), 11-24.Usa Boonyuen. "Human liver carboxylesterase 1 structure, polymorphism and its role in drug and prodrug activation and metabolism". Journal of Medicine and Health Sciences 21 (2014):11-24.Usa Boonyuen. Human liver carboxylesterase 1 structure, polymorphism and its role in drug and prodrug activation and metabolism. Faculty of Medicine,Srinakharinwirot University:ม.ป.ท. 2014.