human nasal fragments secreted significantly increased amounts of rgc in response to 10 microm bk ( 15.0 % +/- 1.8 compared with control values ; mean +/- standard error of the mean ; n = 7 ; p less than 0.01 by student 's unpaired t test ) , 10 microm lys-bk ( 12.2 % +/- 3.3 ; n = 5 ; p less than 0.05 ) , and 100 microm methacholine ( 35.7 % +/- 2.3 ; p less than 0.0001 ) .
C0006100
bk
C0022474
lys-bk