Backstrom, D;    Domellof, ME;    Granasen, G;    Linder, J;    Mayans, S;    Elgh, E;    Zetterberg, H;         ... Forsgren, L; + view all <#>        Backstrom, D;  Domellof, ME;  Granasen, G;  Linder, J;  Mayans, S;  Elgh, E;  Zetterberg, H;  Blennow, K;  Forsgren, L;   - view fewer <#>    (2018)    Polymorphisms in dopamine-associated genes and cognitive decline in Parkinson's disease.                   Acta Neurologica Scandinavica , 137  (1)   pp. 91-98.    10.1111/ane.12812 <https://doi.org/10.1111/ane.12812>.       Green open access