Ashida, A., Sakaizawa, K., Uhara, H., & Okuyama, R. (2017). Circulating Tumour DNA for Monitoring Treatment Response to Anti-PD-1 Immunotherapy in Melanoma Patients. Acta Dermato-Venereologica, 97(10), 1212–1218. https://doi.org/10.2340/00015555-2748