EP07.01: The effect of vanishing twin on the first and second trimester maternal serum makers and nuchal translucency: a multicentre prospective cohort study. (15th October 2018) - Lee, S.; Jung, Y.; Jisu, S.; Han, Y.; Kim, M.; Shim, J.; Lee, M.; Oh, S.; Lee, J.; Kim, S.; Cha, D.; Cho, G.; et al.