Intente links en:Similares en:

Pinto A., Varandas S., Coimbra A., Carrola J. and Fontaínhas-Fernandes A. (2010). Mullet and gudgeon liver histopathology and macroinvertebrate indexes and metrics upstream and downstream from a wastewater treatment plant (Febros River-Portugal). Environ. Monit. Assess. 169, 569-585.