title: Comment: unbound drug concentration versus unbound drug fraction.
authors.forename: Mary H H
authors.initials: MH
authors.lastname: Ensom
mesh_terms: D010672:Phenytoin / Q000378:metabolism*; D011485:Protein Binding; D014859:Warfarin / Q000378:metabolism*
chemical_list: D014859:Warfarin; D010672:Phenytoin