Raman and infrared studies on the conformation of porcine pancreatic and crotalus durissus terrificus phospholipases 'A IND.2' - Arêas, Elizabeth Pinheiro Gomes; Laure, Carlos Júlio; Gabilan, N; De Araujo, Pedro Soares; Kawano, Yoshio (Biochimica et Biophysica Acta, 1989)