The phrase "extended duration of" is correct and usable in written English.
It can be used when discussing a prolonged period of time for an event, condition, or situation.
Example: "The project requires an extended duration of testing to ensure all features are functioning properly."
Alternatives: "prolonged period of" or "lengthened time frame of".
The encouraging role of Ozurdex® is due to its potency, dose consistency, extended duration of action, and minimal adverse effects [4 8].
Elevated CO2 often stimulated the rate of individual grain filling, whereas the well-watered condition extended duration of individual grain filling.
These differences in efficacy were again not significant and the 40 mg IV dose resulted in a slightly extended duration of action.
Recommendations for thromboprophylaxis vary, and the recent NICE guidelines 9 suggest extended duration of drug prophylaxis (that is, beyond hospital discharge) after hip replacement and surgery for hip fracture only, when it is recommended for up to four weeks.
Placebo control in these studies was absent since arthritis patients cannot go untreated for the extended duration of chronic safety studies.
Alternatively, the extended duration of contact with her may lead to a stronger chemosensory stimulation.
Another is the extended duration of his projects.
"Mr Abdellatif's experiences have significantly been exacerbated as a result of the extended duration of his detention and the separation from his family".
Concerns are mounting that Mr. Hazare's health could begin to deteriorate rapidly, given the extended duration of his fast.
Endless chatter about the need to reinvent the art is symptomatic of a deep-seated hostility toward fundamental features of the concert experience: the extended duration of works, the complexity of their construction, the attention they demand.
It is plausible that with extended duration of diabetes, the systemic side effects increase.
