Merrill RM, Madanat H, Layton JB, Hanson CL, Madsen CC. Smoking prevalence, attitudes, and perceived smoking prevention and control responsibilities and behaviors among physicians in Jordan. Int Q Community Health Educ. 2006;26(4):397-413.
Mansfield CA, Van Houtven G, Huber J. The efficiency of political mechanisms for siting nuisance facilities: are opponents more likely to participate than supporters? J Real Estate Financ Econ. 2001;22(2/3):141-62.