000
00278nam a2200121Ia 4500
003
LDD
040
_c
LDD
041
_a
en
245
0
_a
British Medical Jounral
260
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London
_b
BMJ Publishing Group Ltd
_c
1 Oct-31 Dec,2002
362
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325-325
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7367-7378
942
_2
ddc
_c
J
999
_c
191766
_d
191766