Are reported preterm birth rates reliable? An analysis of interhospital differences in the calculation of the weeks of gestation at delivery and preterm birth rate.
- Published in:
- BJOG: An International Journal of Obstetrics & Gynaecology, 2004, v. 111, n. 2, p. 160, doi. 10.1046/j.1471-0528.2003.00026.x
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- Article