Reply to Schoppman et al.
C P J
CP
Caygill
C
C
Royston
A
A
Charlett
C M
CM
Wall
P A C
PA
Gatenby
J R
JR
Ramus
A
A
Watson
M
M
Winslet
K D
KD
Bardhan
D001471:Barrett Esophagus / Q000401:mortality*; D005260:Female; D006801:Humans; D008297:Male