Fig. 1From: Can severe asthmatic patients achieve asthma control? A systematic approach in patients with difficult to control asthma followed in a specialized clinicStudy design. B: baseline, W: week, ACQ: asthma control questionnaire, ACT: asthma control test, SGRQ: St-George’s Respiratory questionnaire, SF-36: Medical Outcomes Study 36-Item Short Form Health SurveyBack to article page