TY  - RPRT
TI  - Bimanual cricoid pressure--another version.
AU  - R Williamson
PY  - 1991
DO  - 10.1111/j.1365-2044.1991.tb11712.x
UR  - https://pubmed.ncbi.nlm.nih.gov/2048684/
ID  - 2048684
ER  -