000 00286nam a2200121Ia 4500
008 250224s9999 xx 000 0 und d
020 _a781749728
082 _a610.73POL
100 _aPolit Denis
245 0 _aEssentials of nursing research
260 _bWilliam
_c2006
942 _cBK
999 _c442924
_d442924