@incollection{Yamashita11,
author = {Yoshiki Yamashita and Sousuke Katoh and Yoko Yoshida and Satoe Fujiwara and Sachiko Kawabe and Mika Hayashi and Atsushi Hayashi and Yoshito Terai and Masahide Ohmichi},
title = {MTX Could Be First-Line Therapy Even in Cases Where hCG Level is Greater than 5,000 IU/ml},
booktitle = {Ectopic Pregnancy},
publisher = {IntechOpen},
address = {Rijeka},
year = {2011},
editor = {Michael Kamrava},
chapter = {12},
doi = {10.5772/20440},
url = {https://doi.org/10.5772/20440}
}