%0 Letter %T Carbon monoxide rebreathing method is a reliable test to evaluate the red cell mass in polycythaemia. %A Maaziz N %A Georges M %A Basille D %A Gallet M %A Gardie B %A Diouf M %A Garçon L %A Girodon F %J Br J Haematol %V 204 %N 2 %D 2024 02 3 %M 38044575 %F 8.615 %R 10.1111/bjh.19169