PREVALENCE AND RISK FACTORS OF POTENTIALLY PRESCRIBING OMISSIONS IN ELDERLY AND SENILE PATIENTS: CLINICAL PRACTICE IN RUSSIAN HOSPITALS Статья Al-Ragawi A.M., Zyryanov S.K., Ushkalova E.A., Butranova O.I., Pereverzev A.P. Успехи геронтологии. Том 33. 2020. С. 282-288