Term Name:	Parkinson's disease 20
Synonyms:	early-onset Parkinson disease 20, early-onset Parkinson's disease 20
Definition:	An early-onset Parkinson disease that has_material_basis_in homozygous mutation in the SYNJ1 gene on chromosome 21q22.
Ontology:	Human Disease [DOID:0060898]   ( DOID:0060898 )