title: A user's guide to the T-test.
authors.affiliation: Department of Pharmacology, University of Massachusetts Medical Center, Worcester.
authors.forename: R A
authors.initials: RA
authors.lastname: Lew
authors.forename: M
authors.initials: M
authors.lastname: Menon
mesh_terms: D015982:Bias; D016009:Chi-Square Distribution; D005188:False Negative Reactions; D005189:False Positive Reactions; D006801:Humans; D012107:Research Design; D013223:Statistics as Topic / Q000379:methods*; D014572:Urology / Q000379:methods*