red cell haemoglobin ( hb ) , haematocrit ( ht ) , 2,3-diphosphoglycerate ( dpg ) , and adenosine triphosphate ( atp ) levels were measured in 876 individuals from six villages at two altitude levels ( altiplano and coast ) of the departmento de arica of northern chile .
C0014792
red cell
C0019046
haemoglobin