Also known as: pen.
PEN has various meanings in the Nursing category. Discover the full forms, definitions, and usage contexts of PEN in Nursing.
Penicillin is a group of antibiotics derived from Penicillium fungi, including penicillin G (intravenous use), penicillin V (oral use), procaine penicillin, and benzathine penicillin (intramuscular use).
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