[PMID 20563870] The PADI4 gene does not contribute to genetic susceptibility to rheumatoid arthritis in Chinese Han population
[PMID 18576335] Association of autoimmunity to peptidyl arginine deiminase type 4 with genotype and disease severity in rheumatoid arthritis.
[PMID 20537173] Peptidyl arginine deiminase type IV (PADI4) haplotypes interact with shared epitope regardless of anti-cyclic citrullinated peptide antibody or erosive joint status in rheumatoid arthritis: a case control study.
[PMID 21039740] PADI4 gene polymorphism is not associated with ankylosing spondylitis in Chinese Han population.
[PMID 22976394] Association of single nucleotide polymorphisms (SNPs) of PADI4 gene with rheumatoid arthritis (RA) in Indian population
[PMID 23450494] [Association of polymorphisms of PTPN22 and PADI4 genes with rheumatoid arthritis in Yunnan]