title: Stoichiometric ratio and stability constants of complexes of some aromatic amino acids with caffeine and procaine hydrochloride.
mesh_terms: D000596:Amino Acids / Q000032:analysis*; D002110:Caffeine / Q000032:analysis*; D055598:Chemical Phenomena; D002621:Chemistry; D004355:Drug Stability; D005502:Food; D007700:Kinetics; D011343:Procaine / Q000032:analysis*
chemical_list: D000596:Amino Acids; D002110:Caffeine; D011343:Procaine