Lupus anticoagulant and IgM anti‐phospholipid antibodies in Korean children with Henoch–Schönlein purpura

We read with interest the article by Salhan et al on anti‐phospholipid antibodies (aPL) in children with Henoch–Schonlein purpura (HSP) [1]. The authors reported that there had been no previous stu...