the absolute count of circulating lymphocytes has been found increased in 38 subjects who smoked for up to 10 years ( the mean period 6.5 years ) , whereas in the subjects who smoked for more than 10 years ( the mean period 18.5 years ) the absolute and the relative counts of t-lymphocytes have been decreased , the tuberculin test has been much more often negative ( 14.9 % vs. 6.1 and 5.3 % ) , as well as the distreptase test ( 19.1 % vs. 8.2 and 5.3 % ) .
C0041290
tuberculin test
C0022885
test