Parotid GlandSalivaSalivary Proteins and PeptidesProline-Rich Protein DomainsSalivationParotid NeoplasmsParotid DiseasesImmunoglobulin A, SecretorySublingual GlandAmylasesSubmandibular GlandStreptococcus mutansImmunoglobulin APeptidesPhosphatesSheepChromatography, GelSaliva, ArtificialAmino AcidsAdenolymphomaSalivary GlandsMolecular WeightSalivary DuctsParotitisAmino Acid SequenceXerostomiaParotid RegionAdenoma, PleomorphicSalivary Gland DiseasesSialographySalivary Duct Calculi