For citations:
Litvinenko I.V., Pronkina E.V., Rostovtsev M.V., Nudnov N.V., Godzhello M.A. Giant fecal calculus of the proximal colon. Clinical observation. Medical Visualization. 2019;(2):71-75. (In Russ.) https://doi.org/10.24835/1607-0763-2019-2-71-75