Vacutainer contamination in trace-elements studies.
D002118:Calcium / Q000097:blood; D004864:Equipment and Supplies; D007854:Lead / Q000097:blood; D008274:Magnesium / Q000097:blood; D008722:Methods; D013053:Spectrophotometry; D014131:Trace Elements / Q000097:blood*; D015032:Zinc / Q000097:blood
D014131:Trace Elements; D007854:Lead; D008274:Magnesium; D015032:Zinc; D002118:Calcium