Purroy F, Cruz Esteve I, Galindo Ortego MG, Marsal Mora JR, Oro M, Plana A. Survey of the knowledge and management of transient ischemic attacks among primary care physicians and nurses. Neurologia. 2011 May;26(4):200-7. doi: 10.1016/j.nrl.2010.04.011
Beach RH, Poulos C, Pattanayak SK. Farm economics of bird flu. Revue Canadienne D'agroeconomie. 2007 Dec 1;55(4):471-83.