Endoscopic ultrasound and the community hospital.
Dill
J E
JE
D019160:Endosonography; D005705:Gallbladder Diseases / Q000000981:diagnostic imaging; D005770:Gastrointestinal Neoplasms / Q000000981:diagnostic imaging; D006297:Health Services Accessibility; D006764:Hospitals, Community; D006801:Humans