title: Proton magnetic resonance spectroscopy of human urine: Excretion of 1-(3'-carboxypropyl)-3,7-dimethylxanthine by man after dosing with oxpentifylline.
authors.affiliation: Hoechst UK Ltd, Walton Manor, Walton, Milton Keynes MK7 7AJ, UK.
authors.forename: I D
authors.initials: ID
authors.lastname: Wilson
authors.forename: J
authors.initials: J
authors.lastname: Fromson
authors.forename: I M
authors.initials: IM
authors.lastname: Ismail
authors.forename: J K
authors.initials: JK
authors.lastname: Nicholson