1. Secretory cycle of the Dufour gland in the female castes of Apis mellifera L. (Hymenoptera: Apidae);Abdalla F.C.;Brazil. Jour. Morphol. Sci.,1996
2. Characterization of Dufour gland secretion and its possible origin in workers of Apis mellifera L. (Hymenoptera: Apidae) with different functions;Abdalla F.C.;Acta Microscopica,1997
3. Behavioral responses evoked in honey bee workers by Dufour gland extracts (Hymenoptera, Apidae);Abdalla F.C.;Sociobiology,2001
4. Changes in the morphology and ultrastructure of the Dufour's gland during the life cycle of the bumble bee queen, Bombus tetrestris L. (Hymenoptera: Bombini);Abdalla F.C;Neth. Jour. Zool.,1999
5. Secretory cycle of the Dufour's gland in workers of the bumble bee Bombus terrestris L. (Hymenoptera:Bombini);Abdalla F.C.;Neth. Jour. Zool.,1999