Authors:
KHIN CC
SIMMONDS NJ
NORTON B
GERTNER DJ
GURNHAM WR
Citation: Cc. Khin et al., INVESTIGATING PATIENTS WITH UPPER GASTROINTESTINAL (GI) SYMPTOMS - OUTPATIENTS OR ENDOSCOPY DIRECT - A RANDOMIZED CROSS OVER TRIAL, Gastroenterology, 104(4), 1993, pp. 14-14