Title:Impact of saliva collection and processing methods on Aspartate Aminotransferase, Creatin Kinase and Lactate Dehydrogenase activities / Tomás Barranco, José J. Cerón, Pía López Jornet, Josep Pastor, José M. Carrillo, Mónica Rubio, Pedro L. Tornel, Ramón Cugat, Fernando Tecles and Asta Tvarijonaviciute.