R. E. Engel
发表
J. Steele,
R. E. Engel,
1992,
Journal of the American Veterinary Medical Association.
E. Shaw,
J. Jett,
K. Rowland,
1993,
Journal of the National Cancer Institute.
R. Engel,
C. Bandt,
R. E. Engel,
1981,
Pediatric Research.
M Burk,
Randy L. Moore,
J. O'fallon,
1996,
International journal of radiation oncology, biology, physics.
S. C. Black,
D. S. Barth,
R. E. Engel,
1969
.
V. Randecker,
J. Mcneal,
R. E. Engel,
1987,
Journal of food protection.