Fig. 1From: DNA methylation mediates genotype and smoking interaction in the development of anti-citrullinated peptide antibody-positive rheumatoid arthritisStudy model (a) and work flow diagram (b). ACPA anti-citrullinated peptide antibodies, RA rheumatoid arthritis, EIRA Epidemiological Investigation of Rheumatoid Arthritis, EIMS Epidemiological Investigation of Multiple Sclerosis, MyEIRA Malaysian Epidemiological Investigation of Rheumatoid ArthritisBack to article page