Abnormalities in the Distribution of Serum Immunoglobulin Concentrations in Juvenile Rheumatoid Arthritis

^{Rackham Arthritis Research Unit, the Pediatric Arthritis Clinic and Rehabilitation Service, Ann Arbor, Michigan 48104}

^{Department of Internal Medicine, The University of Michigan Medical School, Ann Arbor, Michigan 48104}

^{Department of Pediatrics and Communicable Diseases, The University of Michigan Medical School, Ann Arbor, Michigan 48104}

Find articles by Cassidy, J. in: JCI | PubMed | Google Scholar

^{Rackham Arthritis Research Unit, the Pediatric Arthritis Clinic and Rehabilitation Service, Ann Arbor, Michigan 48104}

^{Department of Internal Medicine, The University of Michigan Medical School, Ann Arbor, Michigan 48104}

^{Department of Pediatrics and Communicable Diseases, The University of Michigan Medical School, Ann Arbor, Michigan 48104}

Find articles by Petty, R. in: JCI | PubMed | Google Scholar

^{Rackham Arthritis Research Unit, the Pediatric Arthritis Clinic and Rehabilitation Service, Ann Arbor, Michigan 48104}

^{Department of Internal Medicine, The University of Michigan Medical School, Ann Arbor, Michigan 48104}

^{Department of Pediatrics and Communicable Diseases, The University of Michigan Medical School, Ann Arbor, Michigan 48104}

Find articles by Sullivan, D. in: JCI | PubMed | Google Scholar