Meaning p.r.n.
What does p.r.n. mean? Below you find one meaning for the word p.r.n. You can also add a definition of p.r.n. yourself

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p.r.n.


Abbreviation meaning "when necessary" (from the Latin "pro re nata", for an occasion that has arisen, as circumstances require, as needed).
Source: medicinenet.com




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