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Persson M, Pasupathy D, Hanson U, Westgren M, Norman M.Persson M, et al. Among authors: westgren m.BMJ Open. 2012 Feb 14;2(1):e000601. doi: 10.1136/bmjopen-2011-000601. Print 2012.BMJ Open. 2012.PMID: 22334581Free PMC article.
Horal M, Ungerstedt U, Persson B, Westgren M, Marcus C.Horal M, et al. Among authors: westgren m.Early Hum Dev. 1995 May 12;42(1):1-14. doi: 10.1016/0378-3782(95)01628-g.Early Hum Dev. 1995.PMID: 7671842