Validation of reference genes for gene expression studies in the honey bee, Apis mellifera, by quantitative real-time RT-PCR Anete Pedro Lourenço, Aline Mackert, Alexandre dos Santos Cristino and Zilá Luz Paulino SimõesApidologie, 39 3 (2008) 372-385DOI: https://doi.org/10.1051/apido:2008015