000 00289nam a2200121Ia 4500
008 220729s2019 xx 000 0 und d
041 _aeng
100 _aK George Mathew And Praveen Aggarwal
245 _aMedicine
250 _a6
260 _aNew Delhi
_bElsevier
_c2019
300 _a1064
999 _c138773
_d138773