Khoo, Andre Boo Shern, et al. “Comparative Analyses of Tumour Volume Doubling Times for Periocular and Non-Periocular Head and Neck Basal Cell Carcinomas”. Acta Dermato-Venereologica, vol. 99, no. 13, Oct. 2019, pp. 1266-9, doi:10.2340/00015555-3325.