These agents, therefore, may be useful in individuals exhibiting excessive bradycardia with sustained beta blocker therapy.
en.wikipedia.org The letter was postmarked before the landings and sent via airmail, but was timed to arrive too late to be useful.
en.wikipedia.org It was claimed to be useful as a digestive aid, for lowering high blood pressure, and, infused with vinegar, for curing hiccups.
en.wikipedia.org On the other hand, it can be useful in certain items, like garments for babies, which require constant washing, because it is machine-washable and extremely color-fast.
en.wikipedia.org In particular, foreskins obtained from newborns have been found to be useful in the manufacturing of more human skin.
en.wikipedia.org