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Retraction: “folic acid supplementation, dietary folate intake during pregnancy and risk for spontaneous preterm delivery: a prospective observational cohort study”
Sengpiel, Verena, Bacelis, Jonas, Myhre, Ronny, Myking, Solveig, Pay, Aase, Haugen, Margaretha, Brantsæter, Anne-Lise, Meltzer, Helle, Nilsen, Roy M, Magnus, Per, Vollset, Stein, Nilsson, Staffan, JacVolume:
14
Year:
2014
Language:
english
Journal:
BMC Pregnancy and Childbirth
DOI:
10.1186/1471-2393-14-202
File:
PDF, 147 KB
english, 2014