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Correction
February 24, 1999

Incorrect Figure

JAMA. 1999;281(8):705. doi:10.1001/jama.281.8.705

In the Original Contribution entitled "Secular Trends in Preterm Birth: A Hospital-Based Cohort Study," published in the December 2, 1998, issue of THE JOURNAL (1998;280:1849-1854), the interval 1992-1993 of Figure 2 on page 1851 was presented incorrectly. The correct figure is presented here.

Image description not available.
Secular trends in gestational age assessment information. LNMP indicates last normal menstrual period; US, ultrasound.
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