title: Development of linear grey scale analysis of wrinkle image for the scoring of nasolabial wrinkle severity.
authors.forename: J W
authors.initials: JW
authors.lastname: Choi
authors.forename: H H
authors.initials: HH
authors.lastname: Ryu
authors.forename: D Y
authors.initials: DY
authors.lastname: Kim
authors.forename: S W
authors.initials: SW
authors.lastname: Youn
mesh_terms: D006801:Humans; D060052:Nasolabial Fold / Q000033:anatomy & histology; D010781:Photography / Q000379:methods*; D012720:Severity of Illness Index; D015595:Skin Aging / Q000502:physiology*