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Previous Volume 328:285-286 January 28, 1993 Number 4 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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To the Editor: Dr. Kempe and her associates have presented a thoughtful analysis of infants with very low birth weight (Oct. 1 issue)¹. Their study design failed to consider three important factors crucial to an analysis of intrauterine growth.

First, although race-specific differences in birth weight are well established, they may be confounded by definitions of race. The authors defined the race of the child as that of the mother. National rates for birth weight are reported according to both the race of the mother and that of the child. Depending on which is used, the rates can differ.

. . . [Full Text of this Article]

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