TY  - RPRT
TI  - Quality control in endoscopy: workshop report and personal comments.
AU  - W H Isbister
PY  - 1986
DO  - 10.1111/j.1445-2197.1986.tb06136.x
UR  - https://pubmed.ncbi.nlm.nih.gov/3459429/
ID  - 3459429
ER  -