Atypical erythema multiforme related to BNT162b2 (Pfizer–BioNTech) COVID‐19 vaccine - Buján Bonino, Cecilia; Moreiras Arias, Noelia; López‐Pardo Rico, María; Pita da Veiga Seijo, Gabriela; Rosón López, Elena; Suárez Peñaranda, José Manuel; Sánchez‐Aguilar Rojas, Dolores (International journal of dermatology, 2021)