%0 Journal Article %T The B chromosome of the cichlid fish Haplochromis obliquidens harbors 18S rRNA genes %A Andr¨Ļia B Poletto %A Irani A Ferreira %A Cesar Martins %J BMC Genetics %D 2012 %I BioMed Central %R 10.1186/1471-2156-13-3 %U http://www.biomedcentral.com/1471-2156/13/3