Digestive System NeoplasmsDigestive System DiseasesDigestive SystemDigestive System and Oral Physiological PhenomenaDigestive System Physiological PhenomenaDigestive System ProcessesDigestive System FistulaGastrointestinal TractClemastineDigestionGastrointestinal NeoplasmsDigestive System AbnormalitiesDiagnostic Techniques, Digestive SystemGastrointestinal DiseasesIntestinesPancreasStomachLarvaTissue DistributionMolecular Sequence DataCause of DeathStomach NeoplasmsNeoplasmsEndoscopy, Digestive SystemChinaLiver NeoplasmsAsian Continental Ancestry GroupTime FactorsPhylogenyGenetic Predisposition to DiseaseTrypsinRisk FactorsDigestive System Surgical ProceduresPolymorphism, GeneticRumenNational Institute of Diabetes and Digestive and Kidney Diseases (U.S.)Animal FeedGastrointestinal ContentsCattleChymotrypsinAmino Acid Sequence