N. Levering
发表
L. Messer,
N. Levering,
1988,
Pediatric dentistry.
N. Norton,
N. Levering,
A. Ogunleye,
2008,
Dento maxillo facial radiology.
L. Messer,
N. Levering,
1988,
Pediatric dentistry.
L. Messer,
N. Levering,
1988,
Pediatric dentistry.
J. Welie,
N. Levering,
2011,
Journal of dentistry for children.
J. Welie,
N. Levering,
2010,
The Journal of the American College of Dentists.
P. Edwards,
N. Levering,
T. Saini,
2008,
Journal of the American Dental Association.
P. Edwards,
N. Levering,
T. Saini,
2008
.