@incollection{Antsaklis18,
author = {Panagiotis Antsaklis and Maria Papamichail and Marianna Theodora and 
Michael Syndos and George Daskalakis},
title = {Early Pregnancy Ultrasound Assessment of Multiple Pregnancy},
booktitle = {Multiple Pregnancy},
publisher = {IntechOpen},
address = {Rijeka},
year = {2018},
editor = {Julio Elito Jr.},
chapter = {4},
doi = {10.5772/intechopen.81498},
url = {https://doi.org/10.5772/intechopen.81498}
}