Alkylation of His residues of myotoxins-1 and -II from Bothrops moojeni attenuates their toxicity without any apparent effect on their antigenic and edematogenic activities - Soares, A. M.; Mancin, A C; Sestito, W P; Andrião-Escarso, S H; Rodrigues, V M; Giglio, José Roberto (Simpósio da Sociedade Brasileira de Toxinologia, 1998)