Homologous carcinomas of the breast, skin, and salivary glands. A histologic and immunohistochemical comparison of ductal mammary carcinoma, ductal sweat gland carcinoma, and salivary duct carcinoma. - Wick,M.R.; Ockner,D.M.; Mills,S.E.; Ritter,J.H.; Swanson,P.E. (Am J Clin Pathol, 1998)