Genetic, ontogenetic, and tissue-specific variation of aminopeptidases of Apis mellifera Marco Antonio Del Lama, Renata Maria Bezerra, Ademilson Espencer Egea Soares and Maria Cláudia Colla Rúvolo-Takasusuki Apidologie, 32 1 (2001) 25-35 DOI: 10.1051/apido:2001106