Seravalli, E., Bosman, M., Smyth, G., Alapetite, C., Christiaens, M., Gandola, L., Hoeben, B., Horan, G., Koutsouveli, E., Kusters, M., Lassen, Y., Losa, S., Magelssen, H., Marchant, T., Mandeville, H., Oldenburger, F., Padovani, L., Paraskevopoulou, C., Rombi, B., Visser, J., Whitfield, G., Schwarz, M., Vestergaard, A., & Janssens, G. (n.d.). oC-0345: Comparing cranio spinal irradiation planning for photon and proton techniques at 15 European centers. Radiotherapy and oncology, 123, S181–S182. http://access.bl.uk/ark:/81055/vdc_100047555057.0x000054