Comparison of three vascular endothelial markers in the evaluation of microvessel density in breast cancer - Silva, Benedito Borges da; Lopes-Costa, Pedro Vito; Santos, Alesse Ribeiro dos; Sousa Junior, Edilson Carvalho de; Alencar, Airlane Pereira; Pires, Cleicilene Gomes; Rosal, Marta Alves (European Journal of Gynaecological Oncology, 2009)