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Comparative assessment of enprofylline and theophylline for chronic obstructive airways disease in the elderly.

C. Swift, G. Petrie, J. Arnold, 1990, Respiratory medicine.

Changes in cortisol metabolism following rifampicin therapy.

O. M. Edwards, O M Edwards, R J Courtenay-Evans, 1974, Lancet.

Informed consent and medical information for insurance companies

R. Courtenay-Evans, 1989 .