Podjanee Phadungkiatwattana และ Songphol Puttasiri. (2019) Birth Weight/ Placental Weight Ratios: Does the association differ between early- and late-onset preeclampsia?. <i>Thai Journal of Obstetrics and Gynaecology</i>, <i>27</i>(3), 122-129.Podjanee Phadungkiatwattana และ Songphol Puttasiri. "Birth Weight/ Placental Weight Ratios: Does the association differ between early- and late-onset preeclampsia?". Thai Journal of Obstetrics and Gynaecology 27 (2019):122-129.Podjanee Phadungkiatwattana และ Songphol Puttasiri. Birth Weight/ Placental Weight Ratios: Does the association differ between early- and late-onset preeclampsia?. PIMDEE Co. Ltd.:ม.ป.ท. 2019.