From: NLM Catalog
NLM Catalog Help [Internet].
Bethesda (MD): National Center for Biotechnology Information (US); 2007-.
NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.
Examples: |
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hypertension [mh] AND toxicity [sh] |
therapy [sh:noexp] - Explosion turned off |
dh [sh] = diet therapy [sh] |
From: NLM Catalog
NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.