4.1.1.20	additional information	-	-	4110	
4.1.1.20	25	-	enzyme assay at	4111	
4.1.1.20	30	-	enzyme assay at	4112	
4.1.1.20	37	-	assay at	747204, 748217	
4.1.1.20	37	-	enzyme assay at	4109, 4110, 4113, 4115	
4.1.1.20	57	-	assayed at	4120