Kim D, Lauria DT, Poulos C, Dong B, Whittington D. Effect of travel distance on household demand for typhoid vaccines: implications for planning. Int J Health Plann Manage. 2013 Mar 12;Advance Online.
Lock AD, Allen AR, Fleming AD, Goatman KA. The effect of watermarking on automated assessment of diabetic retinal images. IEEE T Inf Technol B. 2012 Jan 1.