In "Phenobarbital and Cerebral Blood Flow During Hypertension in the Newborn Beagle" by Goddard-Finegold et al (Pediatrics. 1990;86:501-508), the equation at the bottom of the left column on page 502 should read, "CBF (mL·min-1·l00 g-1 = counts·min-1·100 g-1 of brain·reference withdrawal rate/counts·min-1 in reference blood.