Combination fixed-dose β agonist and steroid inhaler as required for adults or children with mild asthma: a Cochrane systematic review
Iain Crossingham, Sally Turner, Sanjay Ramakrishnan, Anastasia Fries, Matthew Gowell, Farhat Yasmin, Rebekah Richardson, Philip Webb, Emily O'Boyle, Timothy Stopford Christopher Hinks
BMJ Evidence-Based Medicine Jun 2022, 27 (3) 178-184; DOI: 10.1136/bmjebm-2021-111764