Donnelly DW, Hegarty A, Sharp L, Carsin AE, Deady S, McCluskey N, Comber H, Gavin A. The impact of adjustment for socioeconomic status on comparisons of cancer incidence between two European countries. J Cancer Epidemiol. 2013 Jan 1;2013:612514. doi: 10.1155/2013/612514
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.