title: Proof of equivalence. The inference of statistical significance. "Caveat emptor".
authors.forename: S J
authors.initials: SJ
authors.lastname: Haines
authors.forename: B C
authors.initials: BC
authors.lastname: Walters
mesh_terms: D002543:Cerebral Hemorrhage / Q000139:chemically induced; D003399:Craniotomy; D003627:Data Interpretation, Statistical; D006493:Heparin / Q000008:administration & dosage / Q000009:adverse effects; D006801:Humans; D011183:Postoperative Complications / Q000517:prevention & control; D012307:Risk Factors; D013810:Therapeutic Equivalency; D013924:Thrombophlebitis / Q000517:prevention & control; D016896:Treatment Outcome
chemical_list: D006493:Heparin