TY  - RPRT
TI  - Is a 'safe swallow' really safe?
AU  - L J Hirst
AU  - A Sama
AU  - P N Carding
AU  - J A Wilson
PY  - 1998
DO  - 10.3109/13682829809179436
UR  - https://pubmed.ncbi.nlm.nih.gov/10343705/
ID  - 10343705
ER  -