title: Experience with nitrobid (2% nitroglycerine) ointment as an aid to venepuncture.
mesh_terms: D006801:Humans; D005996:Nitroglycerin / Q000008:administration & dosage*; D009824:Ointments; D011677:Punctures / Q000379:methods*; D014680:Veins / Q000187:drug effects*
chemical_list: D009824:Ointments; D005996:Nitroglycerin