한영자

Influence of Maternal Pre-pregnancy Hemoglobin Concentration on Stillbirth, Preterm Birth, and Low Birthweight

전병화, 오희철, 한영자, 2009 .

Prepregnancy Body Mass Index and the Risk of Stillbirth, Preterm Birth, and Low Birth Weight

이상욱, 전병화, 오희철, 2012 .