TY - RPRT TI - Open access gastroscopy. Service is efficient and effective. AU - P A Cann AU - W A Corbett AU - M G Bramble AU - B Contractor AU - A S Hungin PY - 1993 DO - 10.1136/bmj.306.6894.1750-a UR - https://pubmed.ncbi.nlm.nih.gov/8343640/ ID - 8343640 ER -