Authors' response.
John K
JK
Field
David
D
Baldwin
Kate
K
Brain
Anand
A
Devaraj
Tim
T
Eisen
Stephen W
SW
Duffy
David M
DM
Hansell
Keith
K
Kerr
Richard
R
Page
Mahash
M
Parmar
David
D
Weller
David
D
Whynes
Paula
P
Williamson
D055088:Early Detection of Cancer / Q000379:methods*; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging*; D011859:Radiography