title: Negative outcome studies and the null hypothesis.
authors.forename: D J
authors.initials: DJ
authors.lastname: Reinhart
mesh_terms: D000547:Amantadine / Q000627:therapeutic use; D005283:Fentanyl / Q000009:adverse effects; D006801:Humans; D009127:Muscle Rigidity / Q000517:prevention & control; D011336:Probability; D012107:Research Design; D013223:Statistics as Topic
chemical_list: D000547:Amantadine; D005283:Fentanyl