1. Pierquin B, Wilson JF, Chassagne D (1987) Modern brachytherapy. Masson, New York
2. Gerbaulet A, Potter P, Mazeron JJ et al (2002) The GEC ESTRO handbook of brachytherapy, 1st edn. Brussels, ESTRO
3. Harrison LB, Sessions RB, Kies MS (2013) Head and neck cancer: a multidisciplinary approach. Philadelphia, PA, USA: Wolters Kluwer Health
4. Devlin PM (2007) Brachytherapy: applications and techniques. Philadelphia, PA, USA: Lippincott Williams & Wilkins
5. James AG, Henschke UK, Myers WG (1953) The clinical use of radioactive gold (Au-198) seeds. Cancer 6(5):1034–1039