Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
기흉술은 폐의 공기를 제거하는 수술입니다.Gihyeongsul-eun pae-ui gonggi-reul geujeo-haneun susul-imnida.Pneumothorax treatment is a surgery that removes air from the lung.