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<http://linkedlifedata.com/resource/pubmed/commentcorrection/5686019-5638969> <http://linkedlifedata.com/resource/pubmed/referenceType> "Cites" .
<http://linkedlifedata.com/resource/pubmed/commentcorrection/5686019-5638969> <http://linkedlifedata.com/resource/pubmed/referenceSource> "Am J Bot. 1968 Feb;55(2):220-36" .
<http://linkedlifedata.com/resource/pubmed/commentcorrection/5686019-5638969> <http://linkedlifedata.com/resource/pubmed/referesTo> <http://linkedlifedata.com/resource/pubmed/id/5638969> .