Reasoning and requirements.
Bush
Valerie
V
D001780:Blood Coagulation Tests / Q000379:methods*; D019343:Citric Acid / Q000097:blood / Q000600:supply & distribution*; D006801:Humans; D018962:Phlebotomy; D013048:Specimen Handling / Q000592:standards*; D014481:United States
D019343:Citric Acid