TY  - RPRT
TI  - Yawn maneuver to prevent atelectasis.
AU  - C A Cahill
PY  - 1978
DO  - 10.1016/s0001-2092(07)62911-1
UR  - https://pubmed.ncbi.nlm.nih.gov/246712/
ID  - 246712
ER  -