Use of inhaled/nebulised ipratropium bromide in addition to standard first-line treatment with inhaled/nebulised short-acting beta 2-agonist and systemic steroid in the management of acute asthma exacerbations: a systematic review and meta-analysis of randomised controlled trials.

Ali Abdalla Hamud, Khalid Mudawi, Colin Powell, Aiman Zou Zou, Ramadan Salem, Amjad Tonbari, Adham Alhaji, Naim Alnasif, Salah Alsaleh, Abdul Kareem Pullattayil, Ibtihal Siddiq Abdelgadir