1. Hyperkeratosis of nipple and areola;Mehregan;Arch Dermatol,1977
2. Les hyperkeratoses de l'areole et du mamelon;Levy-Franckel;Paris Med,1938
3. Hyperkeratosis of the nipple and areolae;Soden;Cutis,1983
4. Estrogen-induced hyperkeratosis of the nipple;Mold;Cutis,1980
5. Hyperkeratosis of the nipples;Mayock;Arch Dermatol,1978