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Hu N, Westra J, Rutgers A, Doornbos-Van der Meer B, Huitema MG, Stegeman CA, Abdulahad WH, Satchell SC, Mathieson PW, Heeringa P, Kallenberg CG.Hu N, et al. Among authors: heeringa p.Arthritis Res Ther. 2011;13(6):R201. doi: 10.1186/ar3534. Epub 2011 Dec 8.Arthritis Res Ther. 2011.PMID: 22152684Free PMC article.