Incorrect Number.—In the article entitled "Effects of a Night-Float System on Resident Activities and Parent Satisfaction," published in the March 1992 issue of AJDC (1992;146:307-310), an incorrect number appeared in the "Comment" section. The last sentence in the second paragraph of the right-hand column on page 309 should read, ". . . worth having to work nights rather than days during the 2 weeks they served as night-float residents during the senior year."