| Literature DB >> 4797262 |
W Haenszel, J W Berg, M Segi, M Kurihara, F B Locke.
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Year: 1973 PMID: 4797262 DOI: 10.1093/jnci/51.6.1765
Source DB: PubMed Journal: J Natl Cancer Inst ISSN: 0027-8874 Impact factor: 13.506