Retraction Note: Non-invasive vagus nerve stimulation improves clinical and molecular biomarkers of Parkinson’s disease in patients with freezing of gait

oleh: Banashree Mondal, Supriyo Choudhury, Rebecca Banerjee, Akash Roy, Koustav Chatterjee, Purba Basu, Ravi Singh, Saptak Halder, Shantanu Shubham, Stuart N. Baker, Mark R. Baker, Hrishikesh Kumar