Estructura jerárquica de la colaboración entre autores. Análisis de los artículos sobre diagnóstico por la imagen publicados por los servicios hospitalarios de Radiología de la Comunidad Valenciana (1994-2001)

Radiodiagnosis residents of Comunidad Valenciana hospitals showed an active participation in research papers published along the period 1994-2001, in collaboration with the rest of the hierarchical categories, basically with the assistant physician. Assistant physicians contributed most of papers. Chief of section and chief of department contributed fifth of papers.