M. B. Ćalasan

Translational medicine from bedside to bench and back again: methotrexate revisited

N. Wulffraat, B. Prakken, R. Thurlings, 2013 .

Personalized medicine of methotrexate therapy

W. Tissing, R. Pieters, S. Kamphuis, 2012 .

Methotrexate polyglutamates in erythrocytes are associated with lower disease activity in patients with rheumatoid arthritis

A. Gerards, N. Wulffraat, S. Pluijm, 2013, Annals of the rheumatic diseases.

A meta‐analysis of methotrexate polyglutamates in relation to efficacy and toxicity of methotrexate in inflammatory arthritis, colitis and dermatitis

M. Heymans, M. D. de Bruin‐Weller, J. Tekstra, 2022, British journal of clinical pharmacology.

Methotrexate polyglutamates in erythrocytes are associated with lower disease activity in juvenile idiopathic arthritis patients

S. Kamphuis, N. Wulffraat, S. Vastert, 2013, Annals of the rheumatic diseases.

Association of low baseline levels of erythrocyte folate with treatment nonresponse at three months in rheumatoid arthritis patients receiving methotrexate.

D. van Zeben, S. Pluijm, J. Lindemans, 2013, Arthritis and rheumatism.

Development and validation of a prognostic multivariable model to predict insufficient clinical response to methotrexate in rheumatoid arthritis

N. Wulffraat, S. Pluijm, J. Lindemans, 2018, PloS one.