Candell-Riera J, Ferreira-Gonzalez I, Marsal JR, Aguade-Bruix S, Cuberas-Borros G, Pujol P, Romero-Farina G, Nazarena-Pizzi M, de Leon G, Castell-Conesa J, Garcia-Dorado D. Usefulness of exercise test and myocardial perfusion-gated single photon emission computed tomography to improve the prediction of major events. Circ Cardiovasc Imaging. 2013 Jul;6(4):531-41. doi: 10.1161/CIRCIMAGING.112.000158
Myers KH, Parsons GR, Edwards PET. Measuring the recreational use value of migratory shorebirds on the Delaware Bay. Marine Resource Economics. 2010 Apr 23;25(3):247-64.