Words similar to prolonged

Example sentences for: prolonged

How can you use “prolonged” in a sentence? Here are some example sentences to help you improve your vocabulary:

The potential of adenovirus based vectors to infect the liver cells after intravenous injection makes them suitable vectors for establishing a prolonged systemic delivery of the encoded protein.
The prolonged exchange made Bush look evasive, and he was criticized afterward for dodging the question.
When cells were inoculated at high density, ultramicroextensions appeared earlier, but ultramicroextensions were rarely seen even after incubation for prolonged periods in sparse cultures or when the cells did not make contact (data not shown).
A prolonged re-examination of these slides who were positive by the rapid test, but apparently had negative slides, did not reveal the presence of P. falciparum asexual parasites.
The Wood had many of the same qualities of The Best Man , but more life and spirit, and it knew a lot more about how to use a camera instead of lining up the characters for prolonged heart-to-hearts.