TY  - RPRT
TI  - The lower oesophageal ring.
AU  - C A Wiggins
PY  - 1967
DO  - 10.1111/j.1440-1673.1967.tb01514.x
UR  - https://pubmed.ncbi.nlm.nih.gov/6074252/
ID  - 6074252
ER  -