TY  - RPRT
TI  - The mucosal collar revisited.
AU  - M E Kolligian
AU  - C F Firlit
PY  - 2000
DO  - 10.1016/s0090-4295(99)00405-7
UR  - https://pubmed.ncbi.nlm.nih.gov/10654906/
ID  - 10654906
ER  -