R. Sawyer
发表
M. Jensen,
I. F. Braun,
R. Sawyer,
1990,
Radiographics : a review publication of the Radiological Society of North America, Inc.
J. Tisnado,
C. Resnik,
R. Sawyer,
1987,
Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes.
W. F. Conway,
C. Hayes,
R. Sawyer,
1990,
Radiology.
R. Benator,
M. Hartenberg,
R. Sawyer,
1987,
The International journal of pediatric nephrology.