For citations:

Fomina L.A., Chernin V.V., Fomina M.P. Dysfunction of calcium regulating system in comorbidity of peptic ulcer disease and osteoporosis and its correction. Medical alphabet. 2020;(37):26-29. (In Russ.) https://doi.org/10.33667/2078-5631-2020-37-26-29