Splitting of the alpha 1-globulin zone in electrophoretic patterns.
D000368:Aged; D002675:Child, Preschool; D004587:Electrophoresis, Agar Gel / Q000379:methods; D006801:Humans; D008297:Male; D000515:alpha 1-Antitrypsin / Q000032:analysis*
D000515:alpha 1-Antitrypsin