P. Billings

发表

J. Horwood, D. Hanratty, P. Chandran, 2012, Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland.

P. Billings, J. Nicholls, 1984, Annals of the Royal College of Surgeons of England.

P. Billings, M. Bassuini, M. M. A. Bassuini, 1996, The British journal of surgery.

P. Billings, D. A. Aubrey, J. P. Davies, 1992, Pancreas.

R. C. Johnson, M. Crumplin, P. Billings, 1999, The British journal of surgery.

P. Billings, D. A. Aubrey, R. Richards, 1993, Annals of the Royal College of Surgeons of England.