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In the special contribution published under this title Oct 31 (198:533-540), two notable errors occurred. On p 534, right column, in the seventh and sixth lines from the bottom, "mean variance" should be read as "mean and variance." On p 538, left column, lines 32-33, "Later, using Spuhler found that..." should be read as "Later, using vital statistics data for different populations, Spuhler found that...."
Possible Genetic Consequences of Family Planning. JAMA. 1967;199(13):971. doi:10.1001/jama.1967.03120130057008