000 00342nam a2200133Ia 4500
008 220613s9999||||xx |||||||||||||| ||und||
100 _achristina leibold seiloff
245 0 _amiddle range theory development using kings conceptual system
250 _axx
260 _bspringer
300 _a316
650 _aNursing Theory
942 _cNURS
999 _c8717
_d8717