Gastric Emptying Is Not Delayed and Does Not Correlate With Attenuated Postprandial Blood Flow Increase in Medicated Patients With Early Parkinson's Disease oleh Thomas Hartwig Siebner, Thomas Hartwig Siebner, Stefan Fuglsang, Christopher Fugl Madelung, Christopher Fugl Madelung, Annemette Løkkegaard, Annemette Løkkegaard, Flemming Bendtsen, Flemming Bendtsen, Jens Dahlgaard Hove, Jens Dahlgaard Hove, Morten Damgaard, Jan Lysgård Madsen, Hartwig Roman Siebner, Hartwig Roman Siebner, Hartwig Roman Siebner