W. Vetter
发表
V. A. Sastry,
W. Vetter,
R. Caston,
1969
.
W. Vetter,
1970
.
W. Vetter,
J. Steurer,
C. Steurer-Stey,
2005,
Swiss medical weekly.
Hidekazu Suzuki,
G. Vermiglio,
Johann Steurer,
1995
.