| Literature DB >> 4669197 |
E Allander, O J Björnsson, A Kolbeinsson, O Olafsson, N Sigfússon, J Thorsteinsson.
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Year: 1972 PMID： 4669197 DOI： 10.1093/ije/1.3.211
Source DB: PubMed Journal: Int J Epidemiol ISSN： 0300-5771 Impact factor: 7.196