Anti-PD-1 antibody monotherapy versus anti-PD-1 plus anti-CTLA-4 combination therapy as first-line immunotherapy in unresectable or metastatic mucosal melanoma: a retrospective, multicenter study of 329 Japanese cases (JMAC study)Yasuhiro Nakamura, Naoya Yamazaki, Yoshiyasu Umeda et al.|ESMO Open|2021Cited by 57