Gewricht, Bot, Wervelkolom: Revue du Rhumatisme: "Pathofysiologie van ankylosing spondylitis: wat is er nieuw?"
Artritis Stichting: "Wat is Ankylosing Spondylitis?"
Hospital for Special Surgery: "Ankylosing Spondylitis: An Overview."
Gewricht, Bot, Wervelkolom: Revue du Rhumatisme: "Pathofysiologie van ankylosing spondylitis: wat is er nieuw?"
Artritis Stichting: "Wat is Ankylosing Spondylitis?"
Hospital for Special Surgery: "Ankylosing Spondylitis: An Overview."