TY  - RPRT
TI  - [Idiopathic diffuse esophageal spasm].
AU  - P Heitmann
PY  - 1971
DO  - 10.1055/s-0028-1110199
UR  - https://pubmed.ncbi.nlm.nih.gov/5099198/
ID  - 5099198
ER  -