Reviewing the "big three" injection routes.
Newton
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Newton
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Fudin
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D004509:Education, Nursing, Continuing; D006801:Humans; D007273:Injections, Intramuscular / Q000379:methods*; D007275:Injections, Intravenous / Q000379:methods*; D007279:Injections, Subcutaneous / Q000379:methods*; D009732:Nursing Care / Q000379:methods*