000
00278nam a2200121Ia 4500
003
LDD
040
_c
LDD
041
_a
en
245
0
_a
British Medical Jounral
260
_a
London
_b
BMJ Publishing Group Ltd
_c
1 Oct-31 Oct,2001
362
_a
323-323
_b
7316-7319
942
_2
ddc
_c
J
999
_c
191757
_d
191757