Authors:
FALK G
BISCOTTI C
GEISINGER K
GOLDBLUM J
PETRAS R
CHITTAJALLU R
RICHTER J
Citation: G. Falk et al., BALLOON CYTOLOGY FOR THE DETECTION OF DYSPLASIA AND CARCINOMA IN BARRETTS-ESOPHAGUS - AN ANALYSIS OF 65 PATIENTS, Laboratory investigation, 76(1), 1997, pp. 306-306
Authors:
MAHAJAN L
WYLLIE R
PETRAS R
STEFFEN R
KAY M
Citation: L. Mahajan et al., IDIOPATHIC EOSINOPHILIC ESOPHAGITIS WITH STRICTURE FORMATION IN A PATIENT WITH LONG-STANDING EOSINOPHILIC GASTROENTERITIS, Gastrointestinal endoscopy, 46(6), 1997, pp. 557-560
Authors:
STEFFEN R
WYLLIE R
KAY M
KYLLONEN K
GRAMLICH T
PETRAS R
Citation: R. Steffen et al., AUTOIMMUNE ENTEROPATHY IN A PEDIATRIC-PATIENT - PARTIAL-RESPONSE TO TACROLIMUS THERAPY, Clinical pediatrics, 36(5), 1997, pp. 295-299
Authors:
ASPLUND S
GRAMLICH T
NAVARRO G
FAZIO V
PETRAS R
Citation: S. Asplund et al., THE HISTOLOGY OF DEFUNCTIONED RECTUM - CORRELATIONS WITH ORIGINAL DIAGNOSIS AND CLINICAL OUTCOME, Laboratory investigation, 74(1), 1996, pp. 302-302
Authors:
ROMER TJ
FITZMAURICE M
COTHREN RM
RICHARDSKORTUM R
PETRAS R
SIVAK MV
Citation: Tj. Romer et al., LASER-INDUCED FLUORESCENCE MICROSCOPY OF NORMAL COLON AND DYSPLASIA IN COLONIC ADENOMAS - IMPLICATIONS FOR SPECTROSCOPIC DIAGNOSIS, The American journal of gastroenterology, 90(1), 1995, pp. 81-87
Authors:
COTHREN RM
SIVAK MV
PETRAS R
RAVA R
FELD MS
Citation: Rm. Cothren et al., INSITU DIAGNOSIS OF COLONIC ADENOMAS BY AUTOFLUORESCENCE SPECTROSCOPY, Gastrointestinal endoscopy, 39(2), 1993, pp. 295-295
Authors:
NARAYAN S
COTHREN RM
SIVAK MV
PETRAS R
ARENDT J
ZUCCARO G
CATALANO MF
Citation: S. Narayan et al., A NEW METHOD FOR SPECTRAL-ANALYSIS OF AUTOFLUORESCENCE IN MICROSCOPICSECTIONS OF COLONIC POLYPS, Gastroenterology, 104(4), 1993, pp. 434-434