P. Ryan

发表

I. Roberts-Thomson, P. Ryan, W. J. Butler, 1999, European journal of cancer prevention : the official journal of the European Cancer Prevention Organisation.

T. Markham, F. Lyons, S. Aarons, 2002, Journal of clinical pathology.

Nurit Assia Batzir, K. Schwarz, D. Foell, 2021, The Journal of allergy and clinical immunology.

F. Shanahan, J. O'Connell, G. O'sullivan, 2004, American Journal of Gastroenterology.