PubMed:842847
Annnotations
Anatomy-UBERON
{"project":"Anatomy-UBERON","denotations":[{"id":"T1","span":{"begin":38,"end":41},"obj":"Body_part"}],"attributes":[{"id":"A1","pred":"uberon_id","subj":"T1","obj":"http://purl.obolibrary.org/obo/UBERON_0001828"}],"text":"Separation of five major alkaloids in gum opium and quantitation of morphine, codeine, and thebaine by isocratic reverse phase high performance liquid chromatography.\n"}