No need for the needle (at first).
Davidson
Mayer B
MB
D000284:Administration, Oral; D001786:Blood Glucose / Q000032:analysis; D003924:Diabetes Mellitus, Type 2 / Q000188:drug therapy* / Q000534:rehabilitation; D005215:Fasting; D006760:Hospitalization; D006801:Humans; D007004:Hypoglycemic Agents / Q000008:administration & dosage / Q000627:therapeutic use; D007328:Insulin / Q000008:administration & dosage* / Q000627:therapeutic use; D009339:Needles; D010353:Patient Education as Topic
D001786:Blood Glucose; D007004:Hypoglycemic Agents; D007328:Insulin