title: Interaction of theophylline with L-tryptophan. Study by proton nuclear magnetic resonance spectroscopy.
authors.forename: J
authors.initials: J
authors.lastname: Nishijo
authors.forename: E
authors.initials: E
authors.lastname: Iwamoto
authors.forename: I
authors.initials: I
authors.lastname: Yonetani
authors.forename: S
authors.initials: S
authors.lastname: Tokura
authors.forename: M
authors.initials: M
authors.lastname: Sugiura
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D009682:Magnetic Resonance Spectroscopy; D013056:Spectrophotometry, Ultraviolet; D013806:Theophylline / Q000032:analysis*; D014364:Tryptophan / Q000032:analysis*
chemical_list: D014364:Tryptophan; D013806:Theophylline