Letters to the Editor
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You literally misused literally.
It's awfully pedantic of me, I know, but the application of nanomedicine to breast cancer is not actually "literally, just the tip of the iceberg," because it is not actually a jutting projection of a floating mass of ice.
Otherwise, an article which is of great interest to me, since I'm studying to become an R.N. and will probably encounter the (figurative) fallout from some of these issues in the foreseeable future.

