A H M van der Helm-van Mil

Classification of rheumatoid arthritis: comparison of the 1987 American College of Rheumatology criteria and the 2010 American College of Rheumatology/European League Against Rheumatism criteria.

T. Huizinga, R. Knevel, A. H. M. van der Helm-van Mil, 2011, Arthritis and rheumatism.

Association of the PTPN22 C1858T single-nucleotide polymorphism with rheumatoid arthritis phenotypes in an inception cohort.

A. Begovich, V. Carlton, A. Chokkalingam, 2005, Arthritis and rheumatism.

A genetic variant in the region of MMP-9 is associated with serum levels and progression of joint damage in rheumatoid arthritis

P. Gregersen, A. Zhernakova, R. Tsonaka, 2013, Annals of the rheumatic diseases.