Validation and further insight into the International Severe Asthma Registry (ISAR) eosinophil gradient algorithm in the Wessex AsThma CoHort of difficult asthma (WATCH) using historical blood eosinophil counts and induced sputum.
Clair BarberAdnan AzimColin NewellMohammed Aref KyyalyHitasha RupaniHans Michael HaitchiPeter HowarthRamesh J KurukulaaratchyPublished in: Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology (2022)