To explore whether insertion (I) and deletion (D) polymorphisms within intron 16 of the angiotensin-converting enzyme (ACE) gene confer susceptibility to systemic lupus erythematosus (SLE) and lupus nephritis (LN).
Division of Rheumatology, Department of Internal Medicine, Korea University Medical Center, College of Medicine, Korea University, Seongbuk-Ku, Seoul, Korea. lyhcgh@korea.ac.kr