FigureĀ 1.
British thoracic Society/Scottish Intercollegiate Guidelines Network (BTS/SIGN) 2014 version of guidelines on the management of asthma: summary of stepwise management in adults.3 Reproduced from (SIGN 141: British Guideline on the Management of Asthma, BTS/SIGN, page 72, 2014) with permission from BMJ Publishing Group.