Absar, S. N., S. Jahan, and S. Khanum. “Efficacy of Nebulized Ipratropium Bromide Versus Salbutamol in Infants With Actute Bronchiolities”. Bangladesh Medical Research Council Bulletin, vol. 34, no. 3, Jan. 2009, pp. 112-, doi:10.3329/bmrcb.v34i3.1861.