title: First of all do no harm.
mesh_terms: D002404:Catheterization / Q000009:adverse effects; D006801:Humans; D007049:Iatrogenic Disease / Q000517:prevention & control*; D009181:Mycoses / Q000209:etiology; D010288:Parenteral Nutrition / Q000009:adverse effects; D018805:Sepsis / Q000209:etiology