Lag periods for the control days were calculated based on the time of day at which the case myocardial infarction occurred.
Our Patriot golf day, at which George W Bush was the honorary chairman earlier this month, is supported and administered by the PGA of America.
For me, however, the main benefit is that I am able to work during the times of day at which my concentration and energy levels are naturally highest.
I've gone to hundreds of small, informal meetings — sometimes eight or nine a day — at which I'll speak for ten minutes, then field questions.
Last season, they signed Allen Watson as a free agent and traded for Jim Leyritz on deadline day, at which time they had a six-game lead.
Then she was assigned her tasks for the day, at which point the full weight of her penance must have become evident to her.
He would then announce that the public schools were closed for another day, at which point we would all shout "yay" and defrost another pizza.
We also assessed road user type and the time of day at which the injury occurred.
Fermentation was terminated on 4th day, at which the maximum production was obtained.
Under such a scenario, for businesses to remain competitive, different levels of services could be offered, according to the time of day at which energy consumption takes place.
Accumulating evidence indicates that myriad behavioral, cellular and biochemical processes fluctuate with circadian rhythmicity; however, time of day at which experiments are conducted is rarely controlled.
