@incollection{Wong18,
author = {Hong Soo Wong},
title = {Assessment of Fetal Gestational Age in the First Trimester in Normal and Abnormal Pregnancies: Which Sonographic Parameter to Use?},
booktitle = {Complications of Pregnancy},
publisher = {IntechOpen},
address = {Rijeka},
year = {2018},
editor = {Hassan Abduljabbar},
chapter = {3},
doi = {10.5772/intechopen.82746},
url = {https://doi.org/10.5772/intechopen.82746}
}