Prenatal Exposure to PM10 and Preterm Birth between 1998 and 2000 in Seoul, Korea.
Eun Hee Ha, Bo Eun Lee, Hye Sook Park, Yun Sang Kim, Ho Kim, Young Ju Kim, Yun Chul Hong, Eun Ae Park
J Prev Med Public Health. 2004;37(4):300-305. Published online November 30, 2004