Polythematic Structured Subject Heading System
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21
terms
X radiation
USE
X ray radiation
x ray diffraction analysis
X ray radiation
X ray radiation diffraction
USE
scattering of X ray radiation
x ray spectroscopy
X rays
USE
X ray radiation
X-ray astronomy
USE
extra-terrestrial observation equipments
X-ray diagnostics
USE
radiography
X-ray material analysis
X-ray sources
USE
X ray radiation
xenobiotics
xenobiotics in foods
USE
substances in foodstuffs
xenon
xerocopy
xerography
USE
electrostatic printing
XHTML
XML
xylenes
xylitol
xylographs
xylography