000 00306nam a2200097Ia 4500
008 230131s9999 xx 000 0 und d
100 _aHaynes, R. Brian
245 0 _aClinical epidemiology: how to do clinical practice research
260 _aPhiladelphia
_bLippincott Williams &
_cWilkins 2006
942 _cPRCD
999 _c170605
_d170604