Studies on cytology and differentiation in Sciaridae. IV. Nuclear and cytoplasmatic differentiation in salivary glands of Bradysia elegans (Diptera, Sciaridae) - Cunha, Antonio Brito da; Morgante, João Stenghel; Pavan, Crodowaldo; Garrido, M. C.; Marques, J. (Caryologia, 1973)