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![](https://webarchive.library.unt.edu/eot2008/20090514051323im_/http://www.cancer.gov/images/spacer.gif)
| A medicine that can be bought without a prescription (doctor's order). Examples include analgesics (pain relievers) such as aspirin and acetaminophen. Also called nonprescription and over-the-counter. |
Previous Definitions: | osteomyelitis, osteopenia, osteoporosis, osteosarcoma, ostomy | Next Definitions: | otolaryngologist, ounce, outcome, outpatient, OvaRex |
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