TY - JOUR T1 - Phylogenetic relationships of African green snakes (genera Philothamnus and Hapsidophrys) from São Tomé, Príncipe and Annobon islands based on mtDNA sequences and comments on their colonization and taxonomy JF - Herpetological Journal Y1 - 2009 A1 - Jesus, J. A1 - Nagy, Zoltán T. A1 - Branch, W. A1 - Wink, M. A1 - Brehm, A. A1 - Harris, J. SP - 41 EP - 48 VL - 19 ER -