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Johansson S, Iliadou A, Bergvall N, dé Fairé U, Kramer MS, Pawitan Y, Pedersen NL, Norman M, Lichtenstein P, Cnattingius S.Johansson S, et al. Among authors: kramer ms.Epidemiology. 2008 Sep;19(5):659-65. doi: 10.1097/ede.0b013e31818131b9.Epidemiology. 2008.PMID: 18714437
Bergvall N, Iliadou A, Johansson S, de Faire U, Kramer MS, Pawitan Y, Pedersen NL, Lichtenstein P, Cnattingius S.Bergvall N, et al. Among authors: kramer ms.Circulation. 2007 Jun 12;115(23):2931-8. doi: 10.1161/CIRCULATIONAHA.106.674812. Epub 2007 May 21.Circulation. 2007.PMID: 17515462