title: Classification and Diagnostic Criteria of Femoroacetabular Impingement Are Essential for Clinical Outcome Evaluation: Commentary on an article by Rachel M. Frank, MD, et al., "Outcomes for Hip Arthroscopy According to Sex and Age: A Comparative Matched-Group Analysis".
authors.forename: Dianzhong
authors.initials: D
authors.lastname: Luo
authors.affiliation: The First Affiliated Hospital of the PLA General Hospital, Beijing, People's Republic of China.
authors.forename: Hong
authors.initials: H
authors.lastname: Zhang
mesh_terms: D001182:Arthroscopy; D057925:Femoracetabular Impingement; D006801:Humans; D017063:Outcome Assessment, Health Care; D011859:Radiography; D012107:Research Design