Per os
WikiDoc Resources for Per os |
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Evidence Based Medicine |
Clinical Trials |
Ongoing Trials on Per os at Clinical Trials.gov Clinical Trials on Per os at Google
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Guidelines / Policies / Govt |
US National Guidelines Clearinghouse on Per os
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Books |
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Definitions |
Patient Resources / Community |
Directions to Hospitals Treating Per os Risk calculators and risk factors for Per os
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Continuing Medical Education (CME) |
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Business |
Experimental / Informatics |
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Per os (P.O.) is an adverbial phrase meaning literally from Latin "by mouth" or "by way of mouth." The expression is used in medicine to describe a treatment that is taken orally. The abbreviated P.O. is often used on medical prescriptions.
P.O. is also occasionally rendered per orem, which is sometimes corrupted to per oram, both of which also mean "by mouth."
Pronunciation
- British: pər'əoυs
- U.S.: pər'oυs