John W. G. Yarnell

titleISBN-13
(ISBN-10)
year of publication
Epidemiology and Prevention: A Systems Based Approach978-O-19-853O14-5
(O-19-853O14-5)
2006

J. G. · J. W. · J. Y · John G. · John W. · John Yarnell · W G

John W. Gahan