R. Penner
发表
W. Conrad,
R. Penner,
1967,
American journal of ophthalmology.
R. Penner,
F. G. Lapiana,
1968,
Archives of ophthalmology.
R. L. Font,
R. Penner,
1969,
Archives of ophthalmology.
O. H. Dabezies,
R. Penner,
1961
.
T. Runyan,
R. Penner,
1969,
Archives of ophthalmology.
K. Somers,
R. Penner,
1962,
American journal of ophthalmology.
A. Swanson,
R. Penner,
K. Dunlap,
1956,
The Journal of bone and joint surgery. American volume.
R. Penner,
1970
.
R. Penner,
1970
.
R. Penner,
J. Passmore,
1966,
Archives of ophthalmology.
J. McNair,
R. Penner,
1966,
American journal of ophthalmology.
R. Penner,
1966,
Archives of ophthalmology.