Original sentence: Ankylosing spondylitis: The facts.Ebringer A, Wilson C.Hypotheses on its pathogenesis include a cross-reaction with antigens of the Klebsiella bacterial strain (Tiwana et al.ISBN 0192632825.Khan MA.On the other hand, Khan (2002) argues that the evidence for a correlation between Klebsiella and AS is circumstantial so far, and that the efficacy of low-starch diets has not yet been scientifically evaluated.Oxford University Press
Edited sentence: Ebringer, C.Hypotheses on its pathogenesis include a cross-reaction with antigens of the Klebsiella bacterial strain (Tiwana et al 2001)