000 00315nam a2200109Ia 4500
008 220729s2020 xx 000 0 und d
041 _aeng
100 _aPiero Nicolai
245 _aEndoscopic transnasal anatomy of the skull base and adjacent areas
260 _aUSA
_bElsevier Publication Ltd
_c2020
300 _a458
999 _c139336
_d139336