[General principles and the methodology of organizing cooperative research in hematologic practice].
D002986:Clinical Trials as Topic / Q000379:methods; D004311:Double-Blind Method; D006405:Hematology / Q000379:methods*; D012107:Research Design; D014586:USSR
Obshchie printsipy i metodika organizatsii kooperirovannykh issledovaniĭ v gematologicheskoĭ praktike.