Table 1. Total initial and final selected records for discussion of the paper.

MeSH Terms	Total Records	Records Selected
“Hepatolenticular degeneration” AND “Dystonia”	43	4
“Hepatolenticular degeneration” AND “Parkinsonism”	46	7
“Hepatolenticular degeneration” AND “Dysarthria”	20	1
“Hepatolenticular degeneration” AND “Tremor”	41	3
“Hepatolenticular degeneration” AND “Choreoathetosis”	2	1
“Hepatolenticular degeneration” AND “Cognitive Impairment”	2	1
“Hepatolenticular degeneration” AND “Cerebellar Ataxia”	16	2
“Hepatolenticular degeneration” AND “Seizures”	23	2