| Literature DB >> 2186143 |
J D Blaha, C L Nelson, L F Frevert, S L Henry, D Seligson, J L Esterhai, R B Heppenstal, J Calhoun, J Cobos, J Mader.
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Year: 1990 PMID: 2186143
Source DB: PubMed Journal: Instr Course Lect ISSN: 0065-6895