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
통각학은 통증의 원인과 치료를 연구하는 학문입니다.Tonggakhak-eun tongjeung-ui wonin-gwa chiryoreul yeonguhaneun hakmun-imnida.Dolorology is the study of the causes and treatment of pain.