by Ormsby, A H, Petras, R E, Henricks, W H, Rice, T W, Rybicki, L A, Richter, J E, Goldblum, J R
Published in Gut (01.11.2002)

by Canto, M I, Setrakian, S, Willis, J E, Chak, A, Petras, R E, Sivak, M V
Published in Endoscopy (01.05.2001)

by Canto, Marcia Irene F., Setrakian, Sebouh, Petras, Robert E., Blades, Edmond, Chak, Amitabh, Sivak, Michael V.
Published in Gastrointestinal endoscopy (01.07.1996)

by O'RIORDAIN, M. G, FAZIO, V. W, LAVERY, I. C, REMZI, F, FABBRI, N, MENEU, J, GOLDBLUM, J, PETRAS, R. E
Published in Diseases of the colon & rectum (01.12.2000)

by Prayson, R A, Hart, W R, Petras, R E
Published in The American journal of surgical pathology (01.06.1994)

by Cothren, Robert M., Sivak, Michael V., Van Dam, Jacques, Petras, Robert E., Fitzmaurice, Maryann, Crawford, James M., Wu, Jun, Brennan, James F., Rava, Richard P., Manoharan, Ramasamy, Feld, Michael S.
Published in Gastrointestinal endoscopy (01.08.1996)

by Falk, G W, Chittajallu, R, Goldblum, J R, Biscotti, C V, Geisinger, K R, Petras, R E, Birgisson, S, Rice, T W, Richter, J E
Published in Gastroenterology (New York, N.Y. 1943) (01.06.1997)

by Rice, T W, Falk, G W, Achkar, E, Petras, R E
Published in The American journal of gastroenterology (01.11.1993)

by Richards-Kortum, R, Rava, R P, Petras, R E, Fitzmaurice, M, Sivak, M, Feld, M S
Published in Photochemistry and photobiology (01.06.1991)

by Sigel, J E, Petras, R E, Lashner, B A, Fazio, V W, Goldblum, J R
Published in The American journal of surgical pathology (01.06.1999)

by Volk, E E, Goldblum, J R, Petras, R E, Carey, W D, Fazio, V W
Published in Gastroenterology (New York, N.Y. 1943) (01.12.1995)

by Flieder, D B, Koss, M N, Nicholson, A, Sesterhenn, I A, Petras, R E, Travis, W D
Published in The American journal of surgical pathology (01.11.1998)

by Binion, David G, West, Gail A, Volk, Emily E, Drazba, Judith A, Ziats, Nicholas P, Petras, Robert E, Fiocchi, Claudio
Published in The Lancet (British edition) (28.11.1998)

by Wang, N, Dumot, J A, Achkar, E, Easley, K A, Petras, R E, Goldblum, J R
Published in The American journal of surgical pathology (01.09.1999)

by Shapiro, J L, Goldblum, J R, Petras, R E
Published in The American journal of surgical pathology (01.04.1996)

by Chan, C C, Abi-Saleh, W J, Arroliga, A C, Stillwell, P C, Kirby, T J, Gordon, S M, Petras, R E, Mehta, A C
Published in The Journal of heart and lung transplantation (01.02.1996)

by Bryant, D A, Mintz, E D, Puhr, N D, Griffin, P M, Petras, R E
Published in The American journal of surgical pathology (01.09.1996)

by Ziv, Y, Fazio, V W, Sirimarco, M T, Lavery, I C, Goldblum, J R, Petras, R E
Published in Diseases of the colon & rectum (01.12.1994)

by SKACEL, Marek, PETRAS, Robert E, GRAMLICH, Terry L, SIGEL, Jessica E, RICHTER, Joel E, GOLDBLUM, John R
Published in The American journal of gastroenterology (01.12.2000)

by Sarre, R G, Frost, A G, Jagelman, D G, Petras, R E, Sivak, M V, McGannon, E
Published in Gut (01.03.1987)