Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector7823210.17816/kazmj78232Research ArticleMeetings of the Scientific Circle of the Rybinsk Medical Section. Vol. 23, No. 3 (1927)150319272333713711708202117082021Copyright © 1927, Board E.1927<p>Session 26/I.<br />Dr. I. A. Treskin: To the teaching of vitamins. The report was devoted to a statement of the present state of the question of vitamins and vitaminosis.<br />Session 4/II.<br />Dr. Libinson: On foreign bodies in the esophagus according to materials of the Yaroslavl I Soviet Hospital.</p>Kazan Medical archiveКазанский медицинский архив