Dale, J. J., Ruckley, C. V., Harper, D. R., Gibson, B., Nelson, E. A., & Prescott, R. J. (1999). Randomised, double blind placebo controlled trial of pentoxifylline in the treatment of venous leg ulcers. British Medical Journal.

Dale, J J., C V. Ruckley, D R. Harper, B. Gibson, E A. Nelson, a R J. Prescott. Randomised, Double Blind Placebo Controlled Trial of Pentoxifylline in the Treatment of Venous Leg Ulcers. British Medical Journal, 1999.

Dale, J J., et al. Randomised, Double Blind Placebo Controlled Trial of Pentoxifylline in the Treatment of Venous Leg Ulcers. British Medical Journal, 1999.