R. Ryan
发表
D. Goldstein,
L. Phebus,
K. Johnson,
2001,
Cephalalgia : an international journal of headache.
R. Lipton,
W. Stewart,
J. Saper,
2001
.
S. Aurora,
S. Diamond,
R. Giammarco,
2000
.
R. Ryan,
1982,
Advances in neurology.
R. Ryan,
1971,
Headache.
S. Diamond,
R. Ryan,
S. Diamond,
1975,
Headache.
R. Ryan,
1968,
Headache.
R. Ryan,
1968
.
M. Asgharnejad,
R. Ryan,
A. Elkind,
1997,
Neurology.
R. Ryan,
1974,
Headache.
F. Sheftell,
R. Ryan,
Verne W. Pitman,
2003,
Headache.
R. Ryan,
1977,
Headache.
A. Sudilovsky,
R. Ryan,
1982,
Panminerva medica.
H. Diener,
R. Ryan,
J. Hettiarachchi,
2004,
European journal of neurology.
R. Cady,
G. Géraud,
J. Goldstein,
2002,
Headache.
R. Ryan,
1978,
Headache.
R. Ryan,
1967,
Headache.
T. Moore,
R. Ryan,
S. Roodman,
1980,
Headache.
R. Ryan,
1947,
Proceedings of the staff meetings. Mayo Clinic.
R. Ryan,
1962,
Headache.
W F Stewart,
R. Lipton,
S. Silberstein,
1998,
Archives of neurology.
C. Lines,
A. Getson,
G. Block,
1998,
Headache.
R. Ryan,
George W. Facer,
1977,
Headache.
R. Ryan,
1949,
Postgraduate medicine.
R. Ryan,
1970,
Headache.
R. Ryan,
B. T. Horton,
J. L. Reynolds,
1948,
Proceedings of the staff meetings. Mayo Clinic.
R. Ryan,
1960,
Archives of otolaryngology.
R. Ryan,
1955,
Missouri medicine.
A. Rapoport,
J. Goldstein,
R. Ryan,
2002,
Headache.
Jerome Goldstein,
S. Silberstein,
J. Saper,
2006,
Headache.
R. Ryan,
E. Kern,
1978,
Headache.
R. Ryan,
1974,
Headache.
S. Diamond,
M. Asgharnejad,
R. Ryan,
1998,
Archives of family medicine.
P. Jhingran,
R. Ryan,
D. Pait,
1998,
Archives of internal medicine.
A. Sudilovsky,
R. Ryan,
1983,
Headache.
J. Saper,
A. Sudilovsky,
R. Ryan,
1987,
Headache.
P. Tfelt-Hansen,
R. Ryan,
Robert E. Ryan,
2000,
Neurology.
T. Moore,
D. Ph,
A. B.,
1979
.
R. Ryan,
1984,
American heart journal.