title: A helpful technique for cases of difficult venepuncture.
authors.forename: J
authors.initials: J
authors.lastname: Okoro
authors.forename: S
authors.initials: S
authors.lastname: Mahon
mesh_terms: D001803:Blood Transfusion; D001815:Bloodletting / Q000379:methods*; D002406:Catheterization, Peripheral / Q000379:methods*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012965:Sodium Chloride
chemical_list: D012965:Sodium Chloride