Ayça Esra KUYBULU, et al. “Successful Treatment of Diffuse Alveolar Hemorrhage With Recombinant Factor VIIa in a Child With Henoch-Schönlein Purpura”. Archives of Rheumatology, vol. 27, no. 2, June 2012, pp. 145-7, doi:10.5606/tjr.2012.024.