Karin Hellgren

Cancer risk in patients with spondyloarthritis treated with TNF inhibitors: a collaborative study from the ARTIS and DANBIO registers

Karin Hellgren, Lene Dreyer, Elizabeth V. Arkema et al. · Annals of the Rheumatic Diseases · 2016 · 128 citations

Rheumatoid Arthritis and Risk of Malignant Lymphoma: Is the Risk Still Increased?

Karin Hellgren, Eva Baecklund, Carin Backlin et al. · Arthritis & Rheumatology · 2016 · 94 citations

Spectrum of lymphomas across different drug treatment groups in rheumatoid arthritis: a European registries collaborative project

Louise Mercer, Anne C. Regierer, Xavier Mariette et al. · Annals of the Rheumatic Diseases · 2017 · 93 citations · Full text

Low Risk of Birth Defects for Infants Whose Mothers Are Treated With Anti–Tumor Necrosis Factor Agents During Pregnancy

Gabriella Bröms, Fredrik Granath, Anders Ekbom et al. · Clinical Gastroenterology and Hepatology · 2015 · 80 citations

Abortion, Maternal Complication, Low Risk +15

Do rheumatoid arthritis and lymphoma share risk factors?: A comparison of lymphoma and cancer risks before and after diagnosis of rheumatoid arthritis

Karin Hellgren, Karin E. Smedby, Nils Feltelius et al. · Arthritis & Rheumatism · 2010 · 79 citations