Nodular primary cutaneous melanoma is associated with PD-L1 expression - Giavina-Bianchi, Mara; Giavina-Bianchi, Pedro; Sotto, Mirian Nacagami; Rodig, Scott; Mihm Jr, Martin; Festa Neto, Cyro; Duncan, Lyn M; Kalil, Jorge (European journal of dermatology, 2020)