D J Ballard
发表
C G Chute,
P Van Grevenhof,
D J Ballard,
1991,
Proceedings. Symposium on Computer Applications in Medical Care.
D B Matchar,
G P Samsa,
D J Ballard,
1996,
Stroke.
D J Ballard,
D B Reinke,
S. Wilson,
1995,
Journal of vascular surgery.
D J Ballard,
K P Offord,
E. Kokmen,
1991,
Neurology.
D J Ballard,
D. Ballard,
J. Hallett,
1993,
Journal of vascular surgery.
D J Ballard,
D B Reinke,
S. Wilson,
1994,
Journal of vascular surgery.
D J Ballard,
M D Silverstein,
D. Ballard,
1998,
Journal of health services research & policy.
D J Ballard,
S. Wilson,
D. Ballard,
1997,
Annals of Internal Medicine.
David A. Froehling,
D J Ballard,
M D Silverstein,
1991,
Mayo Clinic proceedings.
D J Ballard,
H. Krumholz,
J. Herrin,
2000,
Effective clinical practice : ECP.
D J Ballard,
A R Zinsmeister,
A. Zinsmeister,
1990,
Gastroenterology.