Abulafi, A. M., Allardice, J. T., Williams, N. S., van Someren, N., Swain, C. P., & Ainley, C. (1995). Photodynamic therapy for malignant tumours of the ampulla of Vater.

Abulafi, A M., J T. Allardice, N S. Williams, N. van Someren, C P. Swain, and C. Ainley. Photodynamic Therapy for Malignant Tumours of the Ampulla of Vater. 1995.

Abulafi, A M., et al. Photodynamic Therapy for Malignant Tumours of the Ampulla of Vater. 1995.