Piggott, M Cerebral blood flow and blood viscosity in patients with polycythaemia secondary to hypoxic lung disease. [electronic resource] - British medical journal (Clinical research ed.) Nov 1981 - 1262 p. digital Publication Type: Letter ISSN: 0267-0623 Standard No.: 10.1136/bmj.283.6301.1262-a doi Subjects--Topical Terms: Blood ViscosityBloodlettingCerebrovascular CirculationHumansLung Diseases--bloodPolycythemia--blood