RT Journal Article SR Electronic T1 Henoch-Schonlein purpura occurring in three members of a family JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 46 OP 48 VO 109 IS 1 A1 Lofters, W. S. A1 Pineo, G. F. A1 Luke, K. H. A1 Yaworsky, R. G. YR 1973 UL http://www.cmaj.ca/content/109/1/46.abstract