We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleRelation of hemoglobin measured at different times in pregnancy to preterm birth and low birth weight in Shanghai, China.AuthorsZhou LM; Yang WW; Hua JZ; Deng CQ; Tao X; Stoltzfus RJPublicationAmerican journal of epidemiology, 1998, Vol 148, Issue 10, p998ISSN0002-9262Publication typearticleDOI10.1093/oxfordjournals.aje.a009577