title: A micromethod for the determination of xanthine and guanine in urine.
authors.forename: J N
authors.initials: JN
authors.lastname: WILLIAMS
mesh_terms: D006147:Guanine; D019820:Xanthine; D014970:Xanthines
chemical_list: D014970:Xanthines; D019820:Xanthine; D006147:Guanine
keywords: GUANINE; XANTHINES