PRJDB12031 Microbiota for Parkinson's disease at year 0 We followed 225 PD patients for two years whose fecal samples and clinical features were obtained at year 0. Microbiota for Parkinson's disease at year 0 bioproject PRJDB12031 PRJDB12031 true We followed 225 PD patients for two years whose fecal samples and clinical features were obtained at year 0.