@article{article28bea816, title = {Mandibular gland secretions of meliponine worker bees: further evidence for their role in interspecific intraspecific defence and aggression and against their role in food sourche signalling}, author = {Schorkopf, Dirk Louis P. and Hrncir, Michael and Mateus, Sidnei and Zucchi, Ronaldo and Schmidt, Veronika M. and Barth, Friedrich G.}, year = {2009}, doi = {10.1242/jeb.021113}, journal = {Journal of Experimental Biology} }