title: Surgical emphysema--an unusual complication during blood donation.
mesh_terms: D000328:Adult; D000818:Animals; D001782:Blood Donors; D004285:Dogs; D004618:Embolism, Air / Q000209:etiology; D004646:Emphysema / Q000209:etiology*; D005542:Forearm; D006801:Humans; D011677:Punctures / Q000009:adverse effects*