Topical Activity of Ascorbic Acid: From in vitro Optimization to in vivo Efficacy.Published in:Skin Pharmacology & Physiology, 2004, v. 17, n. 4, p. 200, doi. 10.1159/000078824By:T. Raschke;U. Koop;H.-J. Düsing;A. Filbry;K. Sauermann;S. Jaspers;H. Wenck;K.-P. WitternPublication type:Article