VTN and Henoch-Schoenlein purpura: Yang Yang YH YH Tsai Tsai IJ IJ Chang Chang CJ CJ The interaction between circulating complement proteins and cutaneous microvascular endothelial cells in the development of childhood Henoch-Schonlein purpura The interaction between circulating complement proteins and cutaneous microvascular endothelial cells in the development of childhood Henoch-Schonlein purpura PLoS ONE PLoS ONE 2015 2015 10 10 e0120411 e0120411 10.1371/journal.pone.0120411 10.1371/journal.pone.0120411 supplied-pmid 25760949?