
Keywords: سندرم پنومونی ایدیوپاتیک; Hematopoietic cell transplantation; respiratory virus; bronchoalveolar lavage; alloimmune lung syndromes; graft-versus-host disease; bronchiolitis obliterans syndrome; idiopathic pneumonia syndrome; aGVHD; Acute graft-versus-host disease; Allo-LS; Alloimm