00655nam a22001817a 4500001001300000003000400013005001700017008004100034245017900075580005800254650001500312650002700327650001500354650001800369700002900387700003000416700002700446D0001J000201DOH20210317163614.0210317b           ||||| |||| 00| 0 eng d00aComparison of closed and semi-closed anesthesia systems using isoflurane for mastoidectomy cases in the Philippine General Hospital /cAngel Joaquin M. Gomez [and two others]  aActa Medica Philippina, 1990  26 ( 3 ) pages  146-159 2aAnesthesia 2aAnesthesia, Inhalation 2aIsoflurane 2aMastoidectomy1 aGomez, Angel Joaquin M. 1 a Cruz,  Ma. Concepcion L.1 aBanson, Grace Anne A.