R. Ullman
发表
R. Ullman,
J. W. Hill,
E. Scheye,
1997,
Health affairs.
H. Scherpbier,
C. Diamond,
R. Ullman,
2022
.
C. Basch,
A. Neugut,
R. Wolf,
2016,
Journal of Community Health.
R. Ullman,
W. Stratmann,
1975,
Medical care.
H. Scherpbier,
C. Diamond,
R. Ullman,
1999
.
J. Block,
R. Ullman,
W. Stratmann,
1978,
Medical care.
R. Ullman,
W. Stratmann,
1994,
American journal of public health.
J. Block,
R. Ullman,
W. Stratmann,
1975,
Hospitals.
J. Block,
R. Ullman,
W. Stratmann,
1975,
Medical care.
C. Basch,
S. Lepore,
R. Wolf,
2012,
Annals of behavioral medicine : a publication of the Society of Behavioral Medicine.
Martin T. Wells,
Mary Charlson,
M. Wells,
2014,
PloS one.
R K Spoeri,
R Ullman,
R. Ullman,
1997,
Annals of Internal Medicine.
C. Basch,
A. Neugut,
S. Shea,
2015,
Journal of Community Health.
Hillel W. Cohen,
E. Walker,
H. Cohen,
2011,
Diabetes Care.