TY  - RPRT
TI  - X-ray-negative dysphagia: is endoscopy necessary?
AU  - J A DiPalma
AU  - G C Prechter
AU  - C E Brady
PY  - 1984
DO  - 10.1097/00004836-198410000-00003
UR  - https://pubmed.ncbi.nlm.nih.gov/6501826/
ID  - 6501826
ER  -