Prediction of pyramidal tract side effect threshold by intra-operative electromyography in subthalamic nucleus deep brain stimulation for patients with Parkinson's disease under general anaesthesia. - Leung LWL; Lau KYC; Kan KYP; Ng YA; Chan MCM; Ng CPS; Cheung WL; Hui KHV; Chan YCD; Zhu XL; Chan TMD; Poon WS (Frontiers in surgery, 2024)