TY  - RPRT
TI  - Malfunction of Ambu-E valve.
AU  - K J Christensen
AU  - T Rosendal
PY  - 1984
DO  - 10.1111/j.1365-2044.1984.tb07247.x
UR  - https://pubmed.ncbi.nlm.nih.gov/6703302/
ID  - 6703302
ER  -