000 00318nam a2200121Ia 4500
008 220729s2020 xx 000 0 und d
041 _aeng
100 _aJoann G Elmore
245 _aJekels epidemiology biostaticstics preventive medicine and public health
250 _a5
260 _bElserier
_c2020
300 _a45
999 _c138911
_d138911