6Horn T, Svendsen I.B, Johansen A, et al. Brown bowel syndrome. Ultrastructural Pathol, 1985,8 : 357-361.
7Weeden D, Moore AW, Graff J. Melanosis of the gall bladder. Pathology, 1980,12 : 265-267.
8Herrera GA, Reimann BE, Greenberg HI., et al. Pigmentosis tubae,a new entity: light and electron microscopic study. Obstet Gynecol, 1983,61 ( 3 Suppl ) :80S-83S.
9Park G, Cho NH, Jeong HJ. Melanosis coli-histochemical and immunohistochemical comparison of the pigments of melanosis coli and Dubin-Johnson syndrome. Yonsei Med J, 1990,31 (1) : 27-32.
10Ghadially FN, Walley VM. Melanoses of the gastrointestinal tract. Histopat hology, 1994.25 : 197-207.
