Danyal MahmoodHannan Naseem RiazNisar, HumairaHumairaNisar2025-01-062025-01-0620239783031232381978303123239810.1007/978-3-031-23239-8_1https://dspace-cris.utar.edu.my/handle/123456789/10260Introduction to Non-Invasive Biomedical Signals for Healthcarebook-chapter