P. J. Ryan
发表
M. Hilton,
R. Cayton,
P. J. Ryan,
1995,
Thorax.
P. J. Ryan,
P. Rose,
M. Gilbert,
1989,
BMJ.
P. J. Ryan,
D. Stableforth,
1996,
Thorax.
S. Holmes,
N. Zwar,
P. J. Ryan,
2004,
International journal of clinical practice.
J. Reynolds,
P. J. Ryan,
D. Stableforth,
1995,
Thorax.
P. J. Ryan,
J. Crocker,
D. Stableforth,
1997,
Respiratory medicine.
P. J. Ryan,
1986
.
P. J. Ryan,
D. Holder,
N. Forster,
2002,
Journal of occupational and environmental medicine.
P. J. Ryan,
A. Scott,
M. Keech,
1998,
Occupational medicine.
P. J. Ryan,
J. Crocker,
D. Stableforth,
1997,
Respiratory medicine.
P. J. Ryan,
Padraic J Ryan,
Karen Crampin,
2006,
Occupational medicine.