See Also: background level(medicine)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
background(dictionary)
Background(money)
background(dictionary)
background retinopathy(medicine)
background radiation(medicine)
Background Retinopathy(health)
cosmic background radiation(encyclopedia)
Medicine Lodge Memorial Hospital- Medicine Lodge(health)
background level (medicine)
background level
The average amount of a substance present in the environment. Originally referring to naturally occurring phenomena. Used in toxic substance monitoring.
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