Hill NL, Mogle J, Bell TR, Bhargava S, Wion RK, Bhang I. Predicting current and future anxiety symptoms in cognitively intact older adults with memory complaints. Int J Geriatr Psych. 2019 Dec;34(12):1874-82. doi: 10.1002/gps.5204
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.