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Breivik J.Breivik J.Proc Natl Acad Sci U S A. 2001 May 8;98(10):5379-81. doi: 10.1073/pnas.101137698.Proc Natl Acad Sci U S A. 2001.PMID: 11344279Free PMC article.No abstract available.
Breivik J.Breivik J.Tidsskr Nor Laegeforen. 2002 Nov 30;122(29):2809-11.Tidsskr Nor Laegeforen. 2002.PMID: 12523152Free article.Norwegian.No abstract available.