Sentence examples for a variable period of time usually from inspiring English sources

We also have to take into consideration that a variable period of time usually intervenes between the operation and the initiation of treatment, during which tumor re-growth may occur, thus rendering the pretreatment volume the most decisive factor for survival.

Interestingly, following the onset of benign exertional headache, the attacks, occurring with a frequency of between one per day and one every 2 months, recurred over a very variable period of time usually lasting <20 years.

After a variable period of time, but usually within 5-years, most patients with abnormally low blood pressure on standing develop cognitive or motor abnormalities.

The child typically loses consciousness for a variable period of time.

Many clinicians advocate empiric bougienage, as patients will often report improvement of their dysphagia for a variable period of time after this is performed.

After infection, the disease usually follows a chronic course with a variable period of incubation extending from several weeks to several months.

SAMs record the transactions that take place in an (usually national) economy during a period of time (usually a year).

An accelerator typically works with a fixed number of companies over a fixed period of time, usually around three months.

Goodwill is anticipated profits over a certain period of time, usually measured in years.

for a prolonged period of time (usually over 2 weeks) [ 10- 12].

In addition, these studies did not assess the changes over a long period of time (usually for only 6 8 months).