000 00390nam a2200121Ia 4500
008 220809s2015 xx 000 0 und d
041 _aeng
082 _aMedical Education (362)
245 _aAmerican journal of respiratory and critical care medicine No-7-12, Vol-191, 2015, April-June
260 _bOther Agencies
_c2015
520 _aBack Volume
650 _aRespiratory Diseases (612.2)
999 _c166798
_d166798