TY JOUR TI ORIGINAL INVESTIGATIONS Original article MATHEMATICAL APPROACHES TO THE SELECTION OF INDICATORS OF THE NEED FOR MEDICAL CARE KW planning of medical care KW the need for medical care KW indicators of the need for medical care KW mathematical modeling JO CASPIANJOURNALOF MEDICINE AND PHARMACY AU Cherkasov, S.. AU Fedyaeva, A.V. AU Isyanova, A.. AU Shevchenko, M.. AU Lobanov, A.. PY 2022 IS 3 PB Astrakhan State Medical University