@incollection{Liu12,
author = {Lingyi Liang and Zuguo Liu},
title = {Controlling Astigmatism in Corneal Marginal Grafts},
booktitle = {Astigmatism},
publisher = {IntechOpen},
address = {Rijeka},
year = {2012},
editor = {Michael Goggin},
chapter = {10},
doi = {10.5772/19385},
url = {https://doi.org/10.5772/19385}
}