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BLOODYR85
Year last gave blood after March 1985

Codes and Frequencies



An 'X' indicates the category is available for that sample

00NIUXXX
851985XXX
861986XXX
871987XXX
881988XXX
891989XXX
901990XXX
911991XXX
921992XXX
931993XXX
941994XX·
951995X··
98Unknown-not ascertainedXXX
99Unknown-don't knowXXX