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Medical Definition of Oesophagostomum columbianum
1. A species that occurs in sheep, goats, and wild African antelopes; except when present in large numbers, it does not appear to seriously affect the health of the host. (05 Mar 2000)
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1. A species that occurs in sheep, goats, and wild African antelopes; except when present in large numbers, it does not appear to seriously affect the health of the host. (05 Mar 2000)