title: Drs. Kang and Ju reply.
authors.affiliation: Division of Rheumatology, Department of Internal Medicine, Incheon Saint Mary's Hospital, College of Medicine, The Catholic University of Korea, Incheon;
authors.forename: Kwi Young
authors.initials: KY
authors.lastname: Kang
authors.affiliation: Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea. juji@catholic.ac.kr.
authors.forename: Ji Hyeon
authors.initials: JH
authors.lastname: Ju
mesh_terms: D006801:Humans; D008297:Male; D010024:Osteoporosis / Q000175:diagnosis*; D013167:Spondylitis, Ankylosing / Q000097:blood* / Q000503:physiopathology*; D014527:Uric Acid / Q000097:blood*
chemical_list: D014527:Uric Acid