For citations:

Zavodovsky B.V., Zborovsky L.A., Chadadze N.D., Zborovsky A.B. Osteopenia prevalence in ankylosing spondylitis and its correction with alphacalcidol. Rheumatology Science and Practice. 2005;43(1):22-26. (In Russ.) https://doi.org/10.14412/1995-4484-2005-551