1. Cutaneous itching models;Woodward,1985
2. Itch;Madden;Pain,1985
3. Seratching behaviour in arthritic rats: A sign of chronic pain or itch?;De Castro-Costa;Pain,1987
4. Touch, pain and tickling: An electrophysiological investigation on cutaneous sensory nerves;Zotterman;J Physiol,1939
5. Experiments relating to the itch sensation, it's peripheral mechanisms, and central pathways;Bickford;Clin Sci,1937