Prebiotics and SCFA Alleviate Parkinson's-Related Constipation: Results from a Randomized Controlled Trial. - Hegelmaier, Tobias; Duscha, Alexander; Desel, Christiane; Würtele, Lisa-Marie; Peplinski, Jana; Jauk, Diana; Troisi, Riccardo; Klietz, Martin; Faissner, Simon; Müller, Thomas; Haghikia, Aiden (Neurology & Therapy, 2026)