Stobiecki, Marcin, Piotr Obtulowicz, Grzegorz Porebski, Wojciech Dyga, Ewa Czarnobilska, and Krystyna Obtulowicz. 2019. “Severe Abdominal HAE Attacks: An Analysis of 7 Cases”. Archives of Clinical and Medical Case Reports, November, 527-33. https://fortunejournals.org/ojs/index.php/acmcr/article/view/22185.