1. The Child with Abdominal Pains;Apley,1964
2. Recurrent Abdominal Pains: A Field Survey of 1,000 Schoolchildren;Apley;Arch. Dis. Childhood,1958
3. A Psychosomatic Approach to Recurrent Abdominal Pain in Childhood;Heinild;Acta Paediat,1959
4. Natural History of Abdominal Pain in Childhood; in Psychosomatic Aspects of Gastro-intestinal Illness in Childhood;Sibinga,1963
5. An Atlas of Pain Patterns;Smith,1961