In the article entitled "The Maturation of Morphine Clearance and Metabolism," published in the August issue of AJDC (1992;146:972-976), two errors appeared in Table 2. The fourth column head should have read "Unbound-Protein Fraction, %" and under the column "Half-life, h," the median value for infants aged 181 days to 2.5 years should have read "2.9."