A generic number

GRP01 indicates the number of animal records present in this dose group.

Code indicating the type of unit dose dispensing done

GRP02 indicates the type of dose treatment for this dose group.

Date expressed as CCYYMMDD where CC represents the first two digits of the calendar year

GRP03 indicates the group invivo start date. This is the date testing commenced for animals in this group.

Date expressed as CCYYMMDD where CC represents the first two digits of the calendar year

GRP04 indicates the group invivo end date. This is the last date on which an animal in this group was sacrificed.