BIOESTADISTICA DE LAS CARACTERISTICAS DE SECRETOR Y NO SECRETOR EN MEXICO
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Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas, CD MEXICO, DF, MEX
Abstract
A simplified technic for testing for secretion and nonsecretion of A and B antigens in saliva involved inactivation for 10-20 min at the temp of boiling water, centrifuging, and removing the supernatant fluid which may be preserved in the refrigerator s