Urinary vanillyl-mandelic acid (VMA) excretion by chronically anaemic children.

Hypoxia has been regarded as one of the many factors stimulating augmented catecholamine biosynthesis (Vogt, 1960). Plasma levels of epinephrine and norepinephrine were found to be increased in newborns with the respiratory distress syndrome or placental insufficiency (Cheek, Malinek, and Fraillon, 1963). Infants with severe heart failure eliminate in the… CONTINUE READING