RT Journal T1 COrrection JF American Journal of Diseases of Children JO American Journal of Diseases of Children YR 1939 FD January 1 VO 57 IS 1 SP 169 OP 169 DO 10.1001/archpedi.1939.01990010178013 UL http://dx.doi.org/10.1001/archpedi.1939.01990010178013 AB In the article by Dr. Howard L. Alt entitled "Iron Deficiency in Pregnant Rats: Its Effect on the Young," in the November issue (Am. J. Dis. Child. 56:975, 1938), the expression in parentheses in the third line from the top of page 983 should read "about 0.5 to 0.6 mg." instead of "about 0.5 to 6 mg."