%0 Journal Article %T A Method for Detection of Incompetent Unidirectional Dome Valves A Prevalent Malfunction %A Mathewson, Hugh S. %J Anesthesia & Analgesia %V 64 %N 7 %P 745–747-745&ndash-ndash;747-745–747 %@ 0003-2999 %D 1985-07-01 %~ DeepDyve