J. Raymakers
发表
P. V. van Rijk,
P. Zelissen,
R. Croughs,
1994,
Annals of Internal Medicine.
J. Raymakers,
H. Verhaar,
S. Duursma,
1997
.
P. Jansen,
O. J. de Vries,
Sophia E. J. A. De Rooy,
2001,
Journal of the American Geriatrics Society.