Nicholl DJ, Appleton JP (29 مايو 2014). "Clinical neurology: why this still matters in the 21st century". J Neurol Neurosurg Psychiatr. Online first. DOI:10.1136/jnnp-2013-306881. PMID:24879832.
Nicholl DJ, Appleton JP (29 مايو 2014). "Clinical neurology: why this still matters in the 21st century". J Neurol Neurosurg Psychiatr. Online first. DOI:10.1136/jnnp-2013-306881. PMID:24879832.