The authors want to thank Joanna Wong for support in preparing of revisions to this subject. Micrograph of a piece of human skin geared up for direct immunofluorescence making use of an anti-IgG antibody. The skin is from a person with systemic lupus erythematosus and reveals IgG deposits at https://lupus90571.ivasdesign.com/59754785/lupus-arthritis-secrets