In the 1930s and 1940s, Dr. Virginia Apgar noticed something odd. Despite the US infant mortality rate decreasing overall, a high number of infants were still dying within 24 hours of birth.
원문출처 : https://www.cnn.com/2018/06/07/health/virginia-apgar-intl/index.html
원문출처 : https://www.cnn.com/2018/06/07/health/virginia-apgar-intl/index.html