Key points are not available for this paper at this time.
Martin GS, Mannino DM, Eaton S, Moss M. N Engl J Med 2003;348:1546–54. (http://www.nejm.org) The following abstracts from leading journals have been selected on the basis of their importance to the practice of obstetrics and gynecology.
A Fri, study studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: