P. R. Ulshafer
发表
R. B. Wagner,
E. L. Wittbecker,
R. Marker,
1943
.
C. F. Huebner,
H. B. Macphillamy,
P. R. Ulshafer,
1955
.
D. Turner,
R. Marker,
A. Shabica,
1941
.
R. B. Wagner,
D. Turner,
H. Crooks,
1941
.
D. Turner,
R. Marker,
P. R. Ulshafer,
1941
.
R. B. Wagner,
D. Turner,
R. Marker,
1941
.
D. Turner,
R. Marker,
P. R. Ulshafer,
1940
.
R. B. Wagner,
R. Marker,
C. Ruof,
1943
.
M. Pandow,
P. R. Ulshafer,
R. Nugent,
1956
.
P. R. Ulshafer,
A. André,
B. Korzun,
1957,
Journal of the American Pharmaceutical Association. American Pharmaceutical Association.
N. Finch,
W. Taylor,
P. R. Ulshafer,
1963,
Experientia.
E. Wenkert,
L. Dorfman,
P. R. Ulshafer,
1961
.