Paediatric Rheumatology

Implications of upper respiratory tract infections and drugs in the clinical spectrum of Henoch-Schönlein purpura in children

M.A. Gonzalez-Gay, M.C. Calviño, C. Garcia-Porrua, M.E. Vazquez-Lopez, J.L. Fernandez-Iglesias, T. Dierssen, J. Llorca