4.1.1.20	additional information	-	-	
4.1.1.20	25	-	enzyme assay at	
4.1.1.20	30	-	enzyme assay at	
4.1.1.20	37	-	assay at	
4.1.1.20	37	-	enzyme assay at	
4.1.1.20	57	-	assayed at