Health / Medical Topics |
Maintenance
The act of sustaining something in its current form or proper condition; upkeep. (NCI Thesaurus)
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Tobacco smoke that is exhaled by smokers. Mainstream smoke can be a form of secondhand smoke. It contains nicotine and many harmful,…
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A system in which medical doctors and other healthcare professionals (such as nurses, pharmacists, and therapists) treat symptoms and diseases using drugs,…
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The left and right main bronchi considered as a group.
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Most important; principal.
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A unique routing code used by a company or organization for internal mail delivery.
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A person to whom mail is to be sent.
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