Oe, Mariko Oral hyaluronan relieves wrinkles: a double-blinded, placebo-controlled study over a 12-week period. [electronic resource] - Clinical, cosmetic and investigational dermatology 2017 - 267-273 p. digital Publication Type: Journal Article ISSN: 1178-7015 Standard No.: 10.2147/CCID.S141845 doi