Ung TK and Chan H-K. Effects of ramp-up of inspired airflow on in vitro aerosol dose delivery performance for certain dry powder inhalers. Eur. J. Pharm. Sci. 2016; 84: 46 – 54.

Ung TK, Rao N, Weers JG, Huang D, and Chan H-K. Design of spray dried insulin microparticles to bypass deposition in the extrathoracic region and maximize total lung delivery. Int. J. Pharm. 2016; 511: 1070 – 1079.

Weers JG, Clark AR, Rao N, Ung K, Haynes A, Khindri SK, Sheryl A, Perry SA, Machineni S, and Colthorpe P. In vitro–in vivo correlations observed with indacaterol-based formulations delivered with the Breezhaler®. J. Aerosol Med.   2015; 28: 1 – 13.

Ung TK, Rao N, Weers JG, Clark AR, and Chan H-K. In vitro assessment of dose delivery performance of engineered dry powders for inhalation. Aerosol Sci. & Tech. 2014; 48: 1099 – 1110.

Weers JG, Ung K, Le J, Rao N, Ament B, Axford G, Maltz D, and Chan L. Dose Emission Characteristics of Placebo PulmoSphere® Particles Are Unaffected by a Subject's Inhalation Maneuver. J. Aerosol Med. 2013; 26: 56 – 68.

Ung TK, Axford G, Chan L, Glusker M, Le J, Maltz D, Rao N, and Weers JG. Effect of powder release kinetics on the performance of a dry powder inhaler. Resp. Drug Delivery. 2012; 3: 627 – 630.

Weers JG, Maltz DS, Ung K, Chan L, Glusker M, Ament B, Le J, Rao N, and Axford G. Minimizing Human Factors Effects through Inhaler Design. Resp. Drug Delivery. 2012; pp. 217 – 226.