Binding of the anticancer drug becenum (BCNU) to lipid emulsions increases its chemical stability. A spectroscopic approach - Melo, R. F.; Maranhão, Raul Cavalcante; Nogueira, L. V.; Schreier, Shirley (Reunião Anual da Sociedade Brasileira de Bioquímica e Biologia Molecular, 1999)