1. Burke L, Mathews BE: Colposcopy in Clinical Practice. Philadelphia, FA Davis and Co, 1977.
2. Burke L, Antonioli DA, Ducatman BS: Colposcopy: Text and Atlas. Norwalk, CT, Appleton and Lange, 1990.
3. Coppleson M, Pixley E, Reid B: Colposcopy, ed 2. Springfield, IL, Charles C Thomas, 1978.
4. Coppleson M: The colposcopic terminology. J Reprod Med 1976;16:214–219.
5. Ferenczy A: The ultrastructural dynamics of normal and neoplastic cervical squamous epithelium. The Colposcopist, December 1982, pp 1–6.