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<http://linkedlifedata.com/resource/pubmed/commentcorrection/8017992-2228474> <http://linkedlifedata.com/resource/pubmed/referenceSource> "Int Ophthalmol Clin. 1990 Fall;30(4):271-8" .
<http://linkedlifedata.com/resource/pubmed/commentcorrection/8017992-2228474> <http://linkedlifedata.com/resource/pubmed/referesTo> <http://linkedlifedata.com/resource/pubmed/id/2228474> .