000 00307nam a2200121Ia 4500
008 220809s2012 xx 000 0 und d
041 _aeng
082 _a616
245 _aBritish medical journal,Vol-344,No-7850-7863,March-June,2012,
260 _c2012
520 _aBack Volume
650 _aMedicine(616)
999 _c165513
_d165513