Determinants of Preterm Birth Rates in Canada from 1981 through 1983 and from 1992 through 1994
- 12 November 1998
- journal article
- research article
- Published by Massachusetts Medical Society in New England Journal of Medicine
- Vol. 339 (20) , 1434-1439
- https://doi.org/10.1056/nejm199811123392004
Abstract
The rates of preterm birth have increased in many countries, including Canada, over the past 20 years. However, the factors underlying the increase are poorly understood.Keywords
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