standard	<0	0.5218	2.2373	5.9958	11.657	19.002	average concentration (ug/ml)	
   +	1.66	3.61	4.26	<0	<0	<0	3.18	
JKM	9.54	2.47	1.49	<0	<0	<0	4.50	
LOS	<0	<0	<0	<0	<0	<0	#DIV/0!	
KOS	6.60	1.32	1.49	<0	<0	<0	3.14