Medical audit: use of routine erect abdominal radiographs.
Jones
A R
AR
Donnellan
I M
IM
Finlay
D B
DB
D000006:Abdomen, Acute / Q000000981:diagnostic imaging*; D006801:Humans; D011187:Posture; D011446:Prospective Studies; D011860:Radiography, Abdominal