1. Thody AJ, Shuster S. Control and function of sebaceous glands. Physiol Rev. 1989;69(2):383–416.
2. Ackermann AB. Histologic diagnosis of inflammatory skin diseases. Philadelphia, London: Lea & Febiger; 1978.
3. McKee PH, Marsden RA, Headington JT. Pathology of the skin with clinical correlations. Philadelphia, PA, London: J.B. Lippincott Company, Gower Medical Publishing; 1989.
4. Lever WF, Schaumburg-Lever G. Histopathology of the skin. 7th ed. Philadelphia, PA: J.B. Lippincott Company; 1990.
5. Hyman AB, Brownstein MH. Tyson’s “glands”. Ectopic sebaceous glands and papillomatosis penis. Arch Dermatol. 1969;99(1):31–6.