title: Instability of 6-keto-prostaglandin F1 alpha when subjected to normal extraction procedures.
mesh_terms: D015121:6-Ketoprostaglandin F1 alpha / Q000032:analysis*; D004355:Drug Stability; D005188:False Negative Reactions; D011863:Radioimmunoassay
chemical_list: D015121:6-Ketoprostaglandin F1 alpha