SECONDARY POSTPARTUM HEMORRHAGE: THE URGENCY OF THE PROBLEM AND THE WAYS TO SOLVE ArticleBelousova A.A., Aryutin D.G., Toniyan K.A., Toktar L.R., Dobrovolskaya D.A., Dukhin A.O.Акушерство и гинекология: новости, мнения, обучение. 2018. С. 119-126