TY  - GEN
AU  - Gelfand,D W
AU  - Ott,D J
AU  - Chen,Y M
TI  - Decreasing numbers of gastrointestinal studies: report of data from 69 radiologic practices
SN  - 0361-803X
PY  - 1987///0617
KW  - Gastrointestinal Diseases
KW  - diagnostic imaging
KW  - Humans
KW  - Radiography
KW  - statistics & numerical data
KW  - Radiology
KW  - trends
KW  - Statistics as Topic
KW  - United States
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.2214/ajr.148.6.1133
ER  -