Caffeine Interaction with Glutamate Receptor Gene GRIN2A: Parkinson's Disease in Swedish Population Yamada-Fowler, Naomi ; Fredrikson, Mats ; Söderkvist, Peter Abstract Publication: PLoS ONE Pub Date: June 2014 DOI: 10.1371/journal.pone.0099294 Bibcode: 2014PLoSO...999294Y