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Berglund A, Olsen M, Andersen M, Nielsen EH, Feldt-Rasmussen U, Kistorp C, Gravholt CH, Stochhholm K.Berglund A, et al.Clin Epidemiol. 2017 Feb 9;9:75-82. doi: 10.2147/CLEP.S124340. eCollection 2017.Clin Epidemiol. 2017.PMID: 28223847Free PMC article.
Berglund A, Johannsen TH, Stochholm K, Aksglaede L, Fedder J, Viuff MH, Main KM, Gravholt CH.Berglund A, et al.Hum Reprod. 2017 Aug 1;32(8):1751-1760. doi: 10.1093/humrep/dex210.Hum Reprod. 2017.PMID: 28854582