Instituto Nacional de Estadística (INE) (2012) Estadística de Profesionales Sanitarios Colegiados, ano 2012 [Survey of the Number of Health Professionals Registered in Spain, 2012]. INE, Madrid.
http://www.ine.es/jaxi/menu.do?L= 0&type= pcaxis&path= /t15/p416&file= inebase

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