Quality assurance in gastrointestinal endoscopy.
O'Mahony
S
S
Centre for Digestive Diseases, Leeds General Infirmary, UK. seamuso@ulth.northy.nhs.uk
Naylor
G
G
Axon
A
A
D016099:Endoscopy, Gastrointestinal / Q000592:standards*; D006801:Humans; D017410:Practice Guidelines as Topic; D011785:Quality Assurance, Health Care