8HURLEY W L.Mammary function during the nonlactating period:enzyme,lactose,protein concentritions,and pH of mammary secretions[J].Journal of Dairy Science,1987,70(1):20-28.
9LONNERDAL B.Biochemistry and physiological function of human milk proteins[J].American Journal of Clinical Nutrition,1985,42:1299-1317.
10REITER B,MARSHALL V M,BJRCK L,et al..Nonspecific bactericidal activity of the lactoperoxidases-thiocyanate-hydrogen peroxide system of milk against Escherichia coli and some gram-negative pathogens[J].Infection and Immunity,1976,13(3):800-807.