title: Biologic and methodologic variables affecting urinary prostaglandin measurement.
mesh_terms: D004355:Drug Stability; D006801:Humans; D011458:Prostaglandins E / Q000652:urine*; D011460:Prostaglandins F / Q000652:urine*; D011863:Radioimmunoassay / Q000379:methods; D013048:Specimen Handling; D013696:Temperature; D013997:Time Factors
chemical_list: D011458:Prostaglandins E; D011460:Prostaglandins F