in those chronically exposed to air pollutants -- i.e . a mixture of naphtha , tungsten , vanadium , titanium and cobalt -- the following indices were calculated : number of erythrocytes and leukocytes , haemoglobin ( hb ) level , colour index , hematocrit number , mean volume of erythrocyte ( s.o.k.c . ) , mean weight ( s.m.h . ) , and average haemoglobin concentration ( s.s.h . ) in erythrocyte , percentage composition of leukocytes .
C0019046
haemoglobin
C0014792
erythrocyte