Khan, D. Z., Bandyopadhyay, S., Patel, V., Schroeder, B. E., Cabrilo, I., Choi, D., Cudlip, S. A., Donnelly, N., Dorward, N. L., Fountain, D. M., Grieve, J., Halliday, J., Kolias, A. G., Mannion, R. J., O'Donnell, A., Phillips, N., Piper, R. J., Ramachandran, B., Santarius, T., Sayal, P., Sharma, R., Solomou, G., Tysome, J. R., Marcus, H. J., , , Alalade, A. F., Ahmed, S., Al-Barazi, S., Al-Mahfoudh, R., Bahl, A., Bennett, D., Bhalla, R., Bhatt, P., Dow, G., Giamouriadis, A., Gilkes, C., Gnanalingham, K., Hanna, B., Hayhurst, C., Hempenstall, J., Hossain-Ibrahim, K., Hughes, M., Javadpour, M., Jenkins, A., Kamel, M., Habibullah Khan, M., Lacy, P., Maratos, E., Martin, A., Mathad, N., Mendoza, N., Mirza, S., Muquit, S., Nair, R., Nicholson, C., Paluzzi, A., Paraskevopoulos, D., Pathmanaban, O., Pollock, J., Ram, B., Robertson, I., Ross, P., Shaw, S., Shoakazemi, A., Sinha, S., Stapleton, S., Statham, P., Stew, B., Thomas, N., Tsermoulas, G., Weir, P., & Williams, A. (2021). cSF rhinorrhoea after endonasal intervention to the anterior skull base (CRANIAL): proposal for a prospective multicentre observational cohort study. British journal of neurosurgery, 35, 408–417. http://access.bl.uk/ark:/81055/vdc_100147037473.0x000055