Unified Medical Language System (UMLS). Medical Subject Headings (MeSH)
MeSH 2025
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Helium, mixt. with nitrogen and oxygen (MeSH)
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Helium, mixt. with nitrogen and oxygen (MeSH) - C0077210
L0128543
S0164609
A0191712
M0131685
MeSH N1 C045257
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