Geraldo-Flores, N A [The severity of rheumatoid arthritis as a timely predictor of instability in the asymptomatic cervical spine]. [electronic resource] - Acta ortopedica mexicana - 342-346 p. digital Publication Type: Journal Article ISSN: 2306-4102 Subjects--Topical Terms: Arthritis, Rheumatoid--complicationsAtlanto-Axial JointCervical Vertebrae--pathologyHumansJoint DislocationsJoint Instability