Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Melissa F. Young and Brietta M. Oaks and Sonia Tandon and Reynaldo Martorell and Kathryn G. Dewey and Amanda S. Wendt,Maternal hemoglobin concentrations across pregnancy and maternal and child health: a systematic review and meta‐analysis,Annals of the New York Academy of Sciences,0077-8923,Wiley,2019-04-17,1450,1,47-68,https://cir.nii.ac.jp/crid/1360016868476435328,https://doi.org/10.1111/nyas.14093