1. Pats N. IMPECCABLE SERVICE TO THE CAUSE (TO THE 86TH ANNIVERSARY OF THE MILITARY DOCTOR, TEACHER, VETERAN OF THE DEPARTMENT OF GENERAL HYGIENE AND ECOLOGY IVANOV OLEG PAVLOVICH) // Health, physical culture and sports, 2022. Vol. 28. № 4. P. 254-268. URL: http://hpcas.ru/article/view/12274.