Cpn and Spondyloarthritis
Zeidler, Henning, and Alan P. Hudson. “Causality of Chlamydiae in Arthritis and Spondyloarthritis: a Plea for Increased Translational Research.” Curr Rheumatol Rep 18.9 (2016): 1-10.
Excellent article that links Cpn to Spondyloarthritis (of which Ankylosing Spondylitis is a subset). The article includes a discussion of Combination Antibiotics (CAP).
Citation and abstract are on PubMed. Full article is available via SciHub using the DOI: 10.1007/s11926-015-0559-3