TY - JOUR A1 - Hong, J.S. A1 - Kang, H.C. A1 - Yi, S-W. A1 - Han, Y.J. A1 - Nam, C.M. A1 - Gombojav, B. A1 - Ohrr, H. T1 - A comparison of perinatal mortality in Korea on holidays and working days Y1 - 2006 DO - 10.1111/j.1471-0528.2006.01054.x JF - BJOG: An International Journal of Obstetrics & Gynaecology VL - 113 IS - 11 SP - 1235 EP - -1238 ER -