Bhattacharya, A., Bhargava, S., Singh, V., Talwar, D., Whig, J., Rebello, J., . . . Gogtay, J. (2016). Efficacy and safety of ipratropium bromide/salbutamol sulphate administered in a hydrofluoroalkane metered-dose inhaler for the treatment of COPD. Int J Chron Obstruct Pulmon Dis.

Bhattacharya, Amal, Salil Bhargava, Virendra Singh, Deepak Talwar, Jagdeep Whig, Juliet Rebello, Shrinivas Purandare, and Jaideep Gogtay. "Efficacy and Safety of Ipratropium Bromide/salbutamol Sulphate Administered in a Hydrofluoroalkane Metered-dose Inhaler for the Treatment of COPD." Int J Chron Obstruct Pulmon Dis 2016.

Bhattacharya, Amal, et al. "Efficacy and Safety of Ipratropium Bromide/salbutamol Sulphate Administered in a Hydrofluoroalkane Metered-dose Inhaler for the Treatment of COPD." Int J Chron Obstruct Pulmon Dis 2016.