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
병원에서 맥박계를 사용하여 환자의 심박수를 측정합니다.byeongwoneseo maekbakgye-reul sayonghayeo hwanja-ui simbaksureul cheugjeonghamnida.At the hospital, a pulsimeter is used to measure the patient's heart rate.