Procedures related to sexual maturity staging of Greenland halibut (Reindhartius hippoglossoides). - Garabana-Barro, Dolores; González, C.; Álvarez-Pérez, María Soledad; Fernández, J.C.; Hermida-Doval, María; Villaverde-Crujeiras, Andrés; Román-Marcote, Esther (2011)