| Literature DB >> 1254491 |
R V Ballard, D W Holman, E W Hennecke, J E Johnson, O K Manuel, L M Nicholson.
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Year: 1976 PMID： 1254491 DOI： 10.1097/00004032-197604000-00003
Source DB: PubMed Journal: Health Phys ISSN： 0017-9078 Impact factor: 1.316