TY JOUR TI Disorders of mineral bone density and vitamin D deficiency in chronic diseases of the gastrointestinal tract KW mineral bone density KW vitamin D KW gastrointestinal tract. JO Vladikavkaz Medico-Biological Bulletin AU Totrov, I.. AU Slokhova, N.. AU Medoeva, A.. PY 2015 IS 21 PB Institute of Biomedical Investigations of Vladikavkaz Scientific Center of the Russian Academy of Sciences