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
한국의 사산율은 최근 몇 년 동안 감소하고 있습니다.Hanguk-ui sasan-yul-eun choegeun myeot nyeon dong-an gamsohago issseumnida.The stillbirth rate in Korea has been decreasing over the past few years.