Grégoire, V., Hamoir, M., Levendag, P., & Eisbruch, A. (2004). CT-based delineation of lymph node levels and related CTVs in the node-positive and the post-operative neck. International Journal of Radiation: Oncology - Biology - Physics, 60(1), S497-S498. https://doi.org/10.1016/j.ijrobp.2004.07.432 (Original work published 2004)