Allergy Research Center;
Ghaem Hospital;
School of Medicine;
Mashhad University of Medical Sciences;
Mashhad;
Iran;
Endoscopic & Minimally Invasive Surgery Research Center;
Ghaem Hospital;
School of Medicine;
Mashhad University of Medical Sciences;
Mashhad;
Iran;
Kidney Transplantation Complications Research Center;
Department of Internal Medicine;
Ghaem Hospital;
School of Medicine;
Mashhad Uni-versity of Medical Sciences;
Mashhad;
Iran;
Rheumatic Disease Research Center;
Ghaem Hospital;
School of Medicine;
Mashhad University of Medical Sciences;
Mashhad;
Iran;
Acquired; von; Willebrand; Disease; Lupus; Erythematosus; Systemic; rFVIIa; Bleeding;