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
의사는 혈액검사를 통해 환자의 건강 상태를 확인합니다.uisaneun hyeol-aeg geomsa-reul tonghae hwanja-ui geongang sangtae-reul hwaginhabnida.The doctor checks the patient's health status through a blood test.