title: The extraction of prostaglandin E 1  from human plasma.
mesh_terms: D001681:Biological Assay; D002845:Chromatography; D006801:Humans; D008722:Methods; D011453:Prostaglandins / Q000097:blood*; D013997:Time Factors; D014316:Tritium
chemical_list: D011453:Prostaglandins; D014316:Tritium