Resin Canals in the Evolution of the Conifers.
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Journal Article↗
Biomedical subjects
E C Jeffrey
Publications and source records attributed to E C Jeffrey.
The Origin of Parenchyma in Geological Time.
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Journal Article↗
Petrified Coals and Their Bearing on the Problem of the Origin of Coals.
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Journal Article↗
Compliance programs for the new EtO standard.
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Central Supply, Hospital↗