RT Journal Article SR Electronic T1 Are peripheral blood eosinophil counts a guideline for omalizumab treatment? STELLAIR says no! JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1800730 DO 10.1183/13993003.00730-2018 VO 51 IS 5 A1 William W. Busse YR 2018 UL http://erj.ersjournals.com/content/51/5/1800730.abstract AB