David Gallego-Ortega, Ana Ramirez de Molina, Maria Angeles Ramos, Fatima Valdes-Mora, Maria Gonzalez Barderas, Jacinto Sarmentero-Estrada, Juan Carlos Lacal
PLoS One. 2009; 4(11): e7819. Published online 2009 Nov 12. doi: 10.1371/journal.pone.0007819