G. Koenig
发表
R. Viggiano,
R. Hubmayr,
J. Naessens,
1992,
Mayo Clinic proceedings.
D. Gracey,
D R Gracey,
D C Hardy,
2000,
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R. Viggiano,
R. Hubmayr,
J. Naessens,
1995,
Chest.