1. Nursing the late cancer patient at home;Aitken-Swan, J.;Practitioner,1959
2. Intractable pain - How treatable management of terminal cancer;Bunyard, P.;Journal of Thanatology,1971
3. Clinical experience with diamorphine in advanced malignant disease;Twycross, R.G.;International Journal of Clinical Pharmacology, Therapy and Toxicology,1974
4. World Health Organisation (1964). Expert Committee Drug and Therapeutics Bulletin (1974). Corticosteroids in terminal cancer, I2, 63-64.
5. Expert Committee rate of development of physical dependence and on Drug Dependence, i6th Report. Technical tolerance to analgesic drugs in patients with chronic Report Series no 407;Eddy, N.B.; Lee, L.E.; Harris, C.A.;The World Health Organisation,1959