00551naa#a2200181#i#450# EN\INFRA-M\bibl\3535 20260125165234.7 2075-4094 20141105b2014####ek#y0engy0150####ca RUS RU The Improvement of Quality and Efficiency of Diagnostic Researches in the Private Medical Centre Journal article Moscow INFRA-M Academic Publishing LLC. 2014 2 с. Journal article local Berezhkov D. Moskvicheva M. naukaru.ru