1. Local anaesthetic: does it really reduce the pain of insertion of all sizes of cannula?;Harrison;Anaesthesia,1992
2. Counterirritation reduces pain during cutaneous needle insertion;Bourke;Anesthesia and Analgesia,1985
3. The effect of needle gauge and lidocaine pH on pain during intradermal injection;Palmon;Anesthesia and Analgesia,1998
4. Does warming local anaesthetics reduce the pain of subcutaneous injection;Martin;American Journal of Emergency Medicine
5. Skin sensitivity of the arm;Van Den Berg;Anaesthesia,1996