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