1. Pain in childhood;Apley;J. psychosom. Res.,1976
2. The Child and his Symptoms;Apley,1978
3. Pain tolerance and developmental change in pain perception;Barr,1983
4. Endogenous pain control systems: brainstem spinal pathways and endorphin circuitry;Basbaum;Ann. Rev. Neurosci.,1984
5. The child's perception of the disease and the experience of pain in juvenile chronic arthritis;Beales;J. Rheumatology,1983