Ключевые слова: access, analyzing, arm, blood, cannula, catheter, caucasian, clinic, donate, donation, donor, expertise, hand, healing, health, health care, healthcare, heart, help, hospital, injecting, laboratory, life, medical, medical center, medicine, needle, patient, plasma, pouch, red, save, science, ssistance, sterile, suc, transfused, transfusion, vein, volunteer, woman,