000 00291nas a22001217a 4500
008 190318s9999 xx 000 0 und d
022 _a0025-7125
245 _aMedical Clinics of North America :Sleep Medicine
260 _aUSA
260 _bSAUNDERS
260 _c2010
300 _a435-633
999 _c100498
_d100498