| Literature DB >> 874586 |
R C Spear, W J Popendorf, J T Leffingwell, T H Milby, J E Davies, W F Spencer.
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Year: 1977 PMID: 874586 DOI: 10.1097/00043764-197706000-00008
Source DB: PubMed Journal: J Occup Med ISSN: 0096-1736