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Hirayama K, Nakajima M, Kawamura M, Koguchi Y (1994). "Astasia without abasia due to peripheral neuropathy". Archives of Neurology. 51 (8): 813–816. doi:10.1001/archneur.1994.00540200093021. PMID8042930.
Pablo-Fernández E, Villarejo A, Domínguez-González C, Hidalgo FS, Callero EC (2009). "Astasia, asymmetrical asterixis and pretectal syndrome in thalamo-mesencephalic hemorrhage". Clinical Neurology and Neurosurgery. 9 (111): 766–767. doi:10.1016/j.clineuro.2009.06.003. PMID19632031. S2CID23723093.
Hirayama K, Nakajima M, Kawamura M, Koguchi Y (1994). "Astasia without abasia due to peripheral neuropathy". Archives of Neurology. 51 (8): 813–816. doi:10.1001/archneur.1994.00540200093021. PMID8042930.