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          - Jose Castiñeiras González, Noemí Eiris Salvado, and Manuel Ángel Rodríguez Prieto.
- Servicio de Dermatología y Venereología Médico-Quirúrgica, Complejo Asistencial Universitario de León, León, España. Electronic address: jcastigon@gmail.com.
- Med Clin (Barc). 2021 Sep 24; 157 (6): 304-305.
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