title: Negative results.
mesh_terms: D015195:Drug Design; D004798:Enzymes / Q000378:metabolism; D015203:Reproducibility of Results; D012108:Research Personnel / Q000941:ethics*; D012180:Retraction of Publication as Topic; D015871:Scientific Misconduct / Q000331:legislation & jurisprudence
chemical_list: D004798:Enzymes