TY - GEN AU - York,E L AU - Sproule,B J TI - Cerebral blood-flow and polycythaemia SN - 0140-6736 PY - 1979///0901 KW - Bloodletting KW - Cerebrovascular Circulation KW - Humans KW - Polycythemia KW - blood N1 - Publication Type: Letter UR - https://doi.org/10.1016/s0140-6736(78)90449-x ER -