共 5 条
[1]
Freedman A, 1943, LANCET, V2, P696
[2]
Levy AG, 1905, LANCET, V1, P1413
[3]
MINNITT RJ, 1938, GAS AIR ANALGESIA
[4]
SEWARD EH, 1949, LANCET, V257, P781
[5]
1946, STATE PUBLIC HLTH DU