T Follicular Regulatory Cells Are Decreased in Patients With Established Treated Rheumatoid Arthritis With Active Disease: Comment on the Article by Liu et al
1 Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa and Hospital de Santa Maria Centro Hospitalar Lisboa Norte, Lisbon, Portugal.
2 Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa Lisbon, Portugal and Instituto Gulbenkian de Ciência, Oeiras, Portugal.