@incollection{Villegas12,
author = {Luis A. Rodriguez and Anny E. Villegas},
title = {Comparing Nomograms of Two Symmetric and Two Asymmetric Intacs(r) Segments Implantation for Treatment of Pellucid Marginal Degeneration},
booktitle = {Advances in Ophthalmology},
publisher = {IntechOpen},
address = {Rijeka},
year = {2012},
editor = {Shimon Rumelt},
chapter = {14},
doi = {10.5772/18992},
url = {https://doi.org/10.5772/18992}
}