Differential staining and microchromosomal variation in karyotypes of four Brazilian species of Tupinambinae lizards (Squamata: Teiidae) - Santos, Rodrigo Marques Lima dos; Rodrigues, Miguel Trefaut; Yonenaga-Yassuda, Yatiyo; Pellegrino, Katia Cristina Machado (Genetica, 2008)