Could a vitamin deficiency cause 'double jointedness' and hypermobile Ehlers Danlos syndrome? Biological insights in the pathogenesis of hypermobile Ehlers Danlos syndrome from proteome profiling of patients' dermal myofibroblasts ScienceDirect Polymorphism of detoxification genes and cell resistance to mutagens in patients with Ehlers Danlos syndrome Bulletin of Experimental Biology and Medicine Springer Nature Link Ehlers Danlos Syndrome: Background, Pathophysiology, Etiology Cellular and Molecular Mechanisms in the Pathogenesis of Classical, Vascular, and Hypermobile EhlersDanlos Syndromes Ehlers Danlos Syndrome Pediatrics Orthobullets