We found 9 dictionaries that define the word per os:

General (2 matching dictionaries)

1. per os: Dictionary.com
2. Per os: Wikipedia, the Free Encyclopedia

Medicine (6 matching dictionaries)

3. per os: Merriam-Webster Medical Dictionary
4. Dorland's Illustrated Medical Dictionary (No longer online)
5. online medical dictionary (No longer online)
6. Lay Terms for Consent Forms (No longer online)
7. Per os: Breast Cancer Glossary of Medical Terms
8. per os: Medical dictionary

Miscellaneous (1 matching dictionary)

9. AbbreviationZ (No longer online)

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