4k video footage of an unrecognizable doctor applying a bandaid to a patient's arm in an office - plaster 個影片檔及 b 捲影像00:15
video demonstrating how to apply plaster on the upper arm, first aid training, close up, video, slow-motion, medical learning, education, step by step. - plaster 個影片檔及 b 捲影像00:29