For citations:

Fomina L.A., Fomina M.P., Chernin V.V. Hypercalcemia as a marker of decreased bone mineral density in patients with peptic ulcer disease. Experimental and Clinical Gastroenterology. 2021;(2):65-71. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-186-2-65-71