8Dixon JM. Periductal mastitis/duct ectasia[J]. World J Surg, 1989,13(6) :715-720.
9Dixon JM, Ravisekar O, Chetty U, et al. Periduetal mastitis and duct ectasia: different conditions with different aetiologies [J]. Br J Surg, 1996, 83 (6) : 820- 822.