title: The authors respond.
authors.affiliation: Gachon University of Medicine and Science, Gil Medical Center, Incheon, Republic of Korea.
authors.forename: Ki Deok
authors.initials: KD
authors.lastname: Park
authors.forename: Yongbum
authors.initials: Y
authors.lastname: Park
mesh_terms: D002062:Bursitis / Q000188:drug therapy*; D005260:Female; D006801:Humans; D006820:Hyaluronic Acid / Q000008:administration & dosage*; D008297:Male; D012785:Shoulder Joint / Q000503:physiopathology*; D018084:Ultrasonography, Interventional; D055675:Viscosupplements / Q000008:administration & dosage*
chemical_list: D055675:Viscosupplements; D006820:Hyaluronic Acid