title: Letter: Reliability of plasma PGF measurements in rats and hamsters.
mesh_terms: D000818:Animals; D006224:Cricetinae; D005260:Female; D006493:Heparin / Q000494:pharmacology; D011453:Prostaglandins / Q000096:biosynthesis / Q000097:blood*; D051381:Rats; D013997:Time Factors
chemical_list: D011453:Prostaglandins; D006493:Heparin