| Literature DB >> 4508715 |
W M Ludlam, S S Weinberg, C J Twarowski, D P Ludlam.
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Year: 1972 PMID: 4508715 DOI: 10.1097/00006324-197210000-00001
Source DB: PubMed Journal: Am J Optom Arch Am Acad Optom ISSN: 0002-9408