000			00326nam a22001337a 4500
008			161214b xxu||||| |||| 00| 0 eng d
020			_a9780853697312
060			_aQV 21 _bPG 993 _2
245			_aBNF 53 March 2007
260			_aLondon _bBMJ Publishing _c2006
300			_ax, 931p.
942			_2lcc _cBK
999			_c2317 _d2317