For citations:
Martsevich S.Y., Lukina Yu.V., Kutishenko N.P. ONCE AGAIN ABOUT THE HIERARCHY OF EVIDENCES IN MEDICINE OR WHETHER IT IS POSSIBLE TO CHOOSE THE MOST EFFECTIVE AND SAFE DRUG WITH THE HELP OF OBSERVATIONAL STUDIES. Rational Pharmacotherapy in Cardiology. 2017;13(2):270-274. (In Russ.) https://doi.org/10.20996/1819-6446-2017-13-2-270-274
 
                     
        






































 
             
  
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