MeSH on Demand

Does MeSH on Demand have possibilities for identifying thesaurus terms for use in a search, as I wondered if in a previous post?MeSH on Demand is here: http://www.nlm.nih.gov/mesh/MeSHonDemand.html.  There is information about it in this NLM Technical Bulletin article.  As a first test, I entered this text:The use of antibiotics to treat otitis media in children under 5. MeSH on Demand suggests: Anti-Bacterial AgentsAntibiotics, Antitubercular ChildDermatologic AgentsHumansOtitis MediaThere is a disclaimer that says that humans might have come up with different terms, and that MeSH on Demand might suggest terms that are not in the text, or miss ones that are.  It does not assume any prior knowledge of MeSH.I would have come up with the first and last terms, and humans, although I think that would be included implicitly if you include an age group.  I would have chosen something more specific than Child.If you explode the first term, Anti-Bacterial Agents, you would include Antibiotics, Antitubercular.  There is no advice that I can see from MeSH on Demand about exploding.  If you use PubMed, exploding would happen by default.  I would not have come up (at least, until I had examined some search results) Dermatologic Agents, so that is interesting and I would explore that.There is no guidance from MeSH on Demand about how to combine terms.   There is also nothing said about freetext terms that you might use.As a secon...
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