000 00265nam a2200109Ia 4500
008 170711s9999 xx 000 0 und d
050 _a613.07 G778
100 _a"Gray, J.A. Muir"
245 0 _aEvidence-based health care
260 _c1998
942 _2lcc
_cBK
_kCirc.
999 _c20288
_d20288