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Your Query Chlamydia pneumoniae Grayston et al. 1989 (Approved Lists 1980) returns 1 taxon entries:
NameTaxonidName ClassRankLineageImage
Chlamydia pneumoniae Grayston et al. 1989 (Approved Lists 1980)83558synonymspeciesdetails Image

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Text2Knowledge ... Yong Huang 2002