H. Ralph Schumacher

Decreased pain and synovial inflammation after etanercept therapy in patients with reactive and undifferentiated arthritis: an open-label trial.

H. Schumacher, E. Hsia, S. Flagg, 2005, Arthritis and rheumatism.

Chromosomal DNA from a variety of bacterial species is present in synovial tissue from patients with various forms of arthritis.

H. Gérard, A. Hudson, Z. Wang, 2001, Arthritis and rheumatism.

Chlamydia pneumoniae and Inflammatory Arthritis

J. Whittum-Hudson, A. Hudson, H. Schumacher, 2005 .

Patients with Chlamydia-associated arthritis have ocular (trachoma), not genital, serovars of C. trachomatis in synovial tissue.

J. Carter, H. Gérard, J. Whittum-Hudson, 2010, Microbial pathogenesis.