title: Is variation in biological variation a problem?
authors.forename: Nigel
authors.initials: N
authors.lastname: Lawson
mesh_terms: D000704:Analysis of Variance; D003627:Data Interpretation, Statistical; D006801:Humans; D017430:Prostate-Specific Antigen / Q000032:analysis; D012015:Reference Standards
chemical_list: D017430:Prostate-Specific Antigen