Carrasco Cortez, V., E. Lozano Salazar, and E. Velásquez Pancca. “Current and Prospective Analysis of Physician Supply and Demand in Peru for Years 2005-2011”. ACTA MEDICA PERUANA, Vol. 25, no. 1, Mar. 2008, pp. 22 -9, http://www.amp.cmp.org.pe/index.php/AMP/article/view/1338.