000 00284nam a2200109Ia 4500
008 220729s2018 xx 000 0 und d
041 _aeng
100 _aHonorio T Benzon
245 _aEssentials of pain medicine
250 _a4
260 _aPhiladelphia
_bElesevier Publications
_c2018
999 _c137448
_d137448