TY - GEN AU - Smith,J K AU - Snape,T J AU - Bidwell,E TI - Preparation of factor IX concentrate from platelet-rich plasma SN - 0340-6245 PY - 1977///0812 KW - Blood Platelets KW - analysis KW - Factor IX KW - isolation & purification KW - Humans KW - Methods N1 - Publication Type: Letter ER -