R. Shafer
发表
A. Stergachis,
D. Christensen,
D. Smith,
1999,
Journal of the American Pharmaceutical Association.
Marianne Carney,
A. Sagar,
R. Shafer,
2021,
Journal of primary care & community health.
E. Wells,
J. Gardner,
J. Winkler,
1998,
Family planning perspectives.