| Literature DB >> 3397757 |
B J Ingebrethsen, D L Heavner, A L Angel, J M Conner, T J Steichen, C R Green.
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Year: 1988 PMID: 3397757 DOI: 10.1080/08940630.1988.10466391
Source DB: PubMed Journal: JAPCA ISSN: 0894-0630