000 00329nam a2200121Ia 4500
008 220729s2013 xx 000 0 und d
041 _aeng
100 _aStephen B Hulley Stevenr Lummings Warren S Browner
245 _aDesigning clinical research
250 _a4
260 _aPhiladelphia
_bWolter Kluwer
_c2013
300 _a367
999 _c138502
_d138502