1. Histopathology of the skin;Lever,1990
2. Dermatoses of pregnancy;Winton;J Am Acad Dermatol,1982
3. Physiologic skin changes in pregnancy;Wong;J Am Acad Dermatol,1984
4. Dermatoses associated with pregnancy;Cummings;Cutis,1967
5. Seborrheic keratosis;Goldes,1988