Subclinical pulmonary haemorrhage causing a restrictive lung defect in three siblings with a unique urticarial vasculitis syndrome

B. M.S. Al Riyami, J. K. Al Kaabi, E. M. Elagib, H. S. El Khatim, N. J.Y. Woodhouse^*

^*المؤلف المقابل لهذا العمل