@article{Esteva:75816,
author = "Esteva, M. and [Ruidíaz], M. and Sanchez, M.A. and
Pertega, S. and Pita-Fernandez, S. and Macia, F. and Posso,
M. and Gonzalez-Lujan, L. and Bosca-Wats, M.M. and Leiva,
A. and Ripoll, J.",
title = "{Emergency presentation of colorectal patients in Spain}",
year = "2018",
}