Granero R, Fernandez-Aranda F, Aymami N, Gomez-Pena M, Fagundo AB, Sauchelli S, Del Pino-Gutierrez A, Moragas L, Savvidou LG, Islam MA, Tarrega S, Menchon JM, Jimenez-Murcia S. Subtypes of pathological gambling with concurrent illegal behaviors. J Gambl Stud. 2015 Dec;31(4):1161-78. doi: 10.1007/s10899-014-9499-5.
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.