000 00288nam a2200121Ia 4500
008 200512s9999 xx 000 0 und d
082 _a616
100 _aDENISE F.POLIT
245 0 _aEssential of nursing research
250 _a9th
260 _bwolters kluwer
_c2017
650 _aResearch
999 _c57802
_d57802