Protein synthesis and morphological changes in the secretory epithelium of the venom gland of Crotalus durissus terrificus at different times after manual extraction of venom: F. L. de Lucca, A. Haddad, E. Kochva, A. M. Rothschild and V. xValeri, Toxicon, 1974, 12, 361 (Department of Biochemistry, Morphology and Pharmacology, School of Medicine, University of São Paulo, Ribeirão Preto, S.P., Brazil and Department of Zoology, Tel-Aviv University, Tel-Aviv, Israel)