000
00297nam a2200121Ia 4500
008
251112s9999||||xx |||||||||||||| ||und||
040
_a
CNCLSA
245
0
_a
B M J
260
_c
march 30, 2002
_b
The British Medical Association
_a
London
300
_a
P. 747-1592
300
_b
V. 323
942
_c
JRBV
999
_c
18777
_d
18777