Two cases of allergic contact dermatitis to different elements in identical ultrasound gels. (25th May 2021) - Martínez Antón, Maria Dolores; Jáuregui, Ignacio; Galán, Cristina; Sánchez de Vicente, Javier; Segurola, Aritza; Seras, Yolanda; García Lirio, Eduardo; Irazábal, Begoña; Gamboa, Pedro M.