The Present and Future of a Unique Sample for Diagnosis Editor(s): Asta  Tvarijonaviciute  Silvia Martínez-Subiela  Pia López-Jornet  Elsa  Lamy Description: Saliva as a unique sample for health assessment is gaining attention among researchers of different fields in the last 20 years; being reflected in an impressive increase in the number of papers published studying saliva from different biological aspects in human and veterinary species….