title: Utility of the Heptest and a chromogenic substrate method to assess anticoagulation in patients refractory to heparinization by the activated partial thromboplastin time method.
authors.affiliation: Loyola University Stritch School of Medicine, Maywood, IL 60153.
authors.forename: H L
authors.initials: HL
authors.lastname: Messmore
authors.forename: M
authors.initials: M
authors.lastname: Koza
authors.forename: S
authors.initials: S
authors.lastname: Farid
authors.forename: W H
authors.initials: WH
authors.lastname: Wehrmacher
mesh_terms: D001780:Blood Coagulation Tests; D002863:Chromogenic Compounds; D006493:Heparin / Q000097:blood / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D010314:Partial Thromboplastin Time
chemical_list: D002863:Chromogenic Compounds; D006493:Heparin