Quantification of serum elastase inhibitory activity in patients with pulmonary emphysema with and without alpha-1 antitrypsin deficiency. - Orriols, Gerard; Aljama, Cristina; Rodriguez-Frias, Francisco; Medina, Pablo-Gabriel; Ferrer-Costa, Roser; Granados, Galo; Nuñez, Alexa; López-González, Ane; Ruiz-Satelinas, Gerardo; Miravitlles, Marc; Barrecheguren, Miriam; Esquinas, Cristina (PLoS ONE, 2025)