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Hammar N, Alfredsson L, Smedberg M, Ahlbom A.Hammar N, et al.Scand J Work Environ Health. 1992 Jun;18(3):178-85. doi: 10.5271/sjweh.1590.Scand J Work Environ Health. 1992.PMID: 1615292Free article.
Hammar N, Ahlbom A, Theorell T.Hammar N, et al.Epidemiology. 1992 Jul;3(4):348-55. doi: 10.1097/00001648-199207000-00010.Epidemiology. 1992.PMID: 1637898
Hammar N, Sandberg E, Ahlbom A, Alfredsson L, Leimanis A.Hammar N, et al.Lakartidningen. 1991 May 8;88(19):1770, 1775-6.Lakartidningen. 1991.PMID: 2041425Swedish.No abstract available.
Alfredsson L, Hammar N, Ahlbom A, Hogstedt C, Plato N, Smedberg M, Theorell T.Alfredsson L, et al. Among authors: hammar n.Lakartidningen. 1990 Feb 14;87(7):474-6.Lakartidningen. 1990.PMID: 2308410Swedish.No abstract available.
Ahlbom A, Hammar N.Ahlbom A, et al. Among authors: hammar n.Lakartidningen. 1989 Jun 21;86(25):2359.Lakartidningen. 1989.PMID: 2747368Swedish.No abstract available.
Hammar N, Ahlbom A.Hammar N, et al.Br Med J (Clin Res Ed). 1987 Mar 7;294(6572):609-10. doi: 10.1136/bmj.294.6572.609.Br Med J (Clin Res Ed). 1987.PMID: 3103823Free PMC article.No abstract available.
Hammar N, Larsen FF, de Faire U.Hammar N, et al.J Clin Epidemiol. 1994 Jun;47(6):685-93. doi: 10.1016/0895-4356(94)90216-x.J Clin Epidemiol. 1994.PMID: 7722581