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The risk of preterm birth in vanishing twin: A multicenter prospective cohort study.
Seong JS, Han YJ, Kim MH, Shim JY, Lee MY, Oh SY, Lee JH, Kim SH, Cha DH, Cho GJ, Kwon HS, Kim BJ, Park MH, Cho HY, Ko HS, Park CW, Park JS, Jun JK, Ryu HM, Lee SM. Seong JS, et al. Among authors: ko hs. PLoS One. 2020 May 29;15(5):e0233097. doi: 10.1371/journal.pone.0233097. eCollection 2020. PLoS One. 2020. PMID: 32470065 Free PMC article.
2014 First-trimester ultrasound forum from the Korean Society of Ultrasound in Obstetrics and Gynecology.
Oh SY, Hong JS, Seol HJ, Hwang HS, Park HS, Kim K, Ko HS, Kwak DW, Kim MY, Park MH, Oh MJ, Park JS, Kim SJ; Korean Society of Ultrasound in Obstetrics and Gynecology Research Group. Oh SY, et al. Among authors: ko hs. Obstet Gynecol Sci. 2015 Jan;58(1):1-9. doi: 10.5468/ogs.2015.58.1.1. Epub 2015 Jan 16. Obstet Gynecol Sci. 2015. PMID: 25629012 Free PMC article. Review.
The practice patterns of second trimester fetal ultrasonography: A questionnaire survey and an analysis of checklists.
Park HS, Seong WJ, Hong JS, Seol HJ, Hwang HS, Kim K, Ko HS, Kwak DW, Oh SY, Kim MY, Kim SJ; Korean Society of Ultrasound in Obstetrics and Gynecology Research Group. Park HS, et al. Among authors: ko hs. Obstet Gynecol Sci. 2015 Nov;58(6):446-52. doi: 10.5468/ogs.2015.58.6.446. Epub 2015 Nov 16. Obstet Gynecol Sci. 2015. PMID: 26623407 Free PMC article.
Prospective observations study protocol to investigate cost-effectiveness of various prenatal test strategies after the introduction of noninvasive prenatal testing.
Kim SY, Lee SM, Jun JK, Han YJ, Kim MH, Shim JY, Lee MY, Oh SY, Lee J, Kim SH, Cha DH, Cho GJ, Kwon HS, Kim BJ, Park MH, Cho HY, Ko HS, Ahn J, Ryu HM. Kim SY, et al. Among authors: ko hs. BMC Pregnancy Childbirth. 2018 Jul 24;18(1):307. doi: 10.1186/s12884-018-1930-y. BMC Pregnancy Childbirth. 2018. PMID: 30041617 Free PMC article.
Effect of Cervical Cerclage on the Risk of Recurrent Preterm Birth after a Twin Spontaneous Preterm Birth.
Kim S, Park HS, Kwon H, Seol HJ, Bae JG, Ahn KH, Na S, Lee SJ, Lee MY, Lee SM, Kwak DW, Park JY, Park IY, Won HS, Kim MY, Ko HS, Hwang HS; Korean Society of Ultrasound in Obstetrics and Gynecology Research Group. Kim S, et al. Among authors: ko hs. J Korean Med Sci. 2020 Mar 23;35(11):e66. doi: 10.3346/jkms.2020.35.e66. J Korean Med Sci. 2020. PMID: 32193899 Free PMC article.
341 results