Investigation of the correlation of C1 esterase inhibitor levels and functions with attack severity and frequency in hereditary angioedema - Akkuş, Fatma Arzu; Çölkesen, Fatih; Gerek, Mehmet Emin; Ergün, Ümmügülsüm Yılmaz; Önalan, Tuğba; Evcen, Recep; Aykan, Filiz Sadi; Kılınç, Mehmet; Kahraman, Selim; Arslan, Şevket (Alergologia Polska - Polish Journal of Allergology, 2024)