000
00263nam a2200121Ia 4500
003
LDD
040
_c
LDD
041
_a
en
245
0
_a
British Medical Jounral
260
_a
BMJ Publishing Group Ltd
_c
3 Sep-5 Nov,2005
362
_a
0
_b
7515-7523
942
_2
ddc
_c
J
999
_c
178600
_d
178600