title: Commentary by Hinck.
authors.affiliation: Springfield, MO 65810, USA. shspfd@aol.com
authors.forename: Susan M
authors.initials: SM
authors.lastname: Hink
mesh_terms: D015415:Biomarkers / Q000032:analysis*; D019317:Evidence-Based Medicine; D006801:Humans; D012424:Rural Population; D013048:Specimen Handling / Q000592:standards*; D014481:United States
chemical_list: D015415:Biomarkers