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
항문병학은 대장과 항문의 질병을 연구하는 의학 분야입니다.hangmunbyeonghak-eun daejang-gwa hangmun-ui jilbyeong-eul yeonguhaneun uihak bunyadiemida.Proctology is the medical field that studies diseases of the colon and rectum.