Ergin, Hacer, et al. “A Case of Hereditary Angioedema With Recurrent Arthritis, Erythema Marginatum-Like Rash and Chest Pain”. The Turkish Journal of Pediatrics, vol. 45, no. 3, July 2003, pp. 261-4, https://doi.org/10.24953/turkjpediatr.2003.2901.