Groppa, Liliana; Sârbu, Oxana; Şoric, Gabriela; Bujor, Oxana
(Sanatate publica, economie si management in medicina, 2011)
Summary. Ankylosing spondylitis (AS) is a chronic
inflammatory disease of unknown etiology involving
the sacroiliac joints and the axial skeleton, frequently
being associated with significant extraskeletal features.
Ocular ...