Ключевые слова: aid, arm, blood, blooddonation, blooddrive, bloodtransfusion, clinic, donate, donation, donor, donorship, drip, dropper, flexor, gripping, hand, handflexor, help, hematologic, hemology, hemotransfusion, human, intravenous, man, medical, medicine, needle, oilcloth, plasma, sterile, tampon, tourniquet, transfusion, volunteer,