Cusmano, C. .; Ceravolo, G. .; Vitale, A. .; Zirilli, G. .; Wasniewska, M. .; Gitto, E. .; Valenzise, M. . Cold Agglutinin Urticaria Secondary to Mycoplasma Pneumoniae Infection in Childhood: A Case Report. Int. J. Pediatr. Child Health 2024, 12, 76-79.