@article{ref1,
author = "C. Mavroudis and J. P. Jacobs",
title = "Congenital Heart Surgery Nomenclature and Database Project: overview and minimum dataset",
year = 2000,
journal = "The Annals of Thoracic Surgery",
publisher = "Elsevier",
volume = 69,
number = 3,
pages = "2-17",
month = "Mar",
doi = "10.1016/S0003-4975(99)01321-1",
url = "http://dx.doi.org/10.1016/S0003-4975(99)01321-1"
}