00682naa#a2200193#i#450# EN\\bibl\82720 20251206194742.6 2077-7566 20240502b2024####ek#y0engy0150####ca RUS RU LEGAL ASPECTS OF THE AGREEMENT FOR THE PROVISION OF PAID MEDICAL SERVICES Journal article Ekaterinburg TIRAZH Publishing House 2024 4 с. Journal article local Стоматология. Заболевания ротовой полости и зубов. 616.31 RUS Kupryahin Vyacheslav Alekseevich Sergeev Vladimir Vyacheslavovich dental-press.ru