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In page Low-density lipoprotein:
"Since the later 1990s, because of the development of NMR measurements, it has been possible to clinically measure lipoprotein particles at lower cost [under $80 US (including shipping) and is decreasing versus the previous costs of >$400 to >$5,000] and higher accuracy. There are two other assays for LDL particles; however, most estimate only LDL particle concentrations like LDL-C.[citation needed]
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