TY  - RPRT
TI  - The gastrointestinal contrast study. Methods and interpretation.
AU  - J A Gomez
PY  - 1974
DO  - 10.1016/s0091-0279(74)50085-1
UR  - https://pubmed.ncbi.nlm.nih.gov/4612943/
ID  - 4612943
ER  -