Columbia subject headings:
Harvard subject headings:
Blood donors--Health and hygiene--United States.
Blood plasma--Safety measures.
Blood plasma--United States--Safety measures.
Blood--Collection and preservation--United States--Safety measures.
Plasma products--United States--Safety measures.
Princeton subject headings:
Blood donors--Health and hygiene--United States.
Blood plasma--Safety measures.
Blood--United States--Collection and preservation--Safety measures.
Plasma products--United States--Safety measures.