R. Nicholas
发表
T. Self,
M. Rumbak,
T. Kelso,
1992,
The Journal of the American Board of Family Medicine.
R. Nicholas,
J. Westfall,
E. Rydberg,
1999,
American family physician.
Karen E Crowell,
R. Nicholas,
M. Carlough,
2003
.
J. Westfall,
Peter C. Smith,
David E Hildebrandt,
2004,
The Annals of Family Medicine.
M. Yaron,
B. Honigman,
R. Nicholas,
1998,
Archives of pediatrics & adolescent medicine.
N. Calonge,
R. Nicholas,
P. D. O'Meara,
1992,
JAMA.
R. Nicholas,
P. D. O'Meara,
1993
.
M. Yaron,
R. Roach,
R. Nicholas,
1991,
Annals of emergency medicine.
T. Self,
S. M. Borcherding,
C. R. Corley,
1996,
The Journal of family practice.
R. Nicholas,
J. Westfall,
J. McCabe,
1997,
JAMA.
J. Reeves,
A. Durmowicz,
R. Nicholas,
1997,
The Journal of pediatrics.
M. Yaron,
R. Roach,
B. Honigman,
1995,
The Western journal of medicine.
T. Self,
S. M. Borcherding,
C. R. Corley,
1996,
The Journal of family practice.
R. Nicholas,
M. Varón,
J. Reeves,
1993,
The Journal of the American Board of Family Medicine.