Stegink, L D Repeated ingestion of aspartame-sweetened beverages: further observations in individuals heterozygous for phenylketonuria. [electronic resource] - Metabolism: clinical and experimental Oct 1990 - 1076-81 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0026-0495 Standard No.: 10.1016/0026-0495(90)90169-d doi Subjects--Topical Terms: AdultAmino Acids--bloodAspartame--administration & dosageAspartic Acid--bloodBeveragesFemaleHeterozygoteHumansMaleMethanol--bloodPhenylalanine--bloodPhenylketonurias--genetics