Voermans, Nicol C; Van Alfen, Nens; Pillen, Sigrid; Lammens, Martin; Schalkwijk, Joost; Zwarts, Machiel J; Van Rooij, Iris A; Hamel, Ben C. J; Van Engelen, Baziel G (2009). “Neuromuscular involvement in various types of Ehlers-Danlos syndrome”. 《Annals of Neurology》 65 (6): 687–97. doi:10.1002/ana.21643. PMID19557868.
Voermans, Nicol C; Van Alfen, Nens; Pillen, Sigrid; Lammens, Martin; Schalkwijk, Joost; Zwarts, Machiel J; Van Rooij, Iris A; Hamel, Ben C. J; Van Engelen, Baziel G (2009). “Neuromuscular involvement in various types of Ehlers-Danlos syndrome”. 《Annals of Neurology》 65 (6): 687–97. doi:10.1002/ana.21643. PMID19557868.