?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Valette&rft.aufirst=J&rft.au=Valette%2C+J&rft.atitle=Brain+Metabolite+Diffusion+from+Ultra-Short+to+Ultra-Long+Time+Scales%3A+What+Do+We+Learn%2C+Where+Should+We+Go%3F&rft.volume=12&rft.date=19+January+2018&rft.title=Frontiers+in+Neuroscience&rft.issn=1662-453X&rft.genre=article