Sentence examples for infrequent episodes from inspiring English sources

Is it true that most evolutionary change is actually tied up with relatively brief and infrequent episodes of speciation?

We conclude that the structure and dynamics of the studied primeval forest landscape was driven by the combined impact of small-scale "background" mortality (classical gap dynamics) and infrequent episodes of patchy intermediate severity and scale disturbances.

Regarding symptom burden, irrespective of diagnosis, mean headache frequency was 4.7 d/mo in males and 6.3 d/mo in females; 16.6% of males and 8.7% of females with headache had infrequent episodes (<1 d/mo), while 50.0% of males and 42.8% of females with headache experienced episodes on 1 3 d/mo.

It's very infrequent episodes.

The term "economy-class syndrome" defines an infrequent episode of venous thromboembolism (VTED) related to a long travel, namely by plane.

Infrequent episodic migraine 1.1.1.2.

For short-lived chemicals such as volatile organic compounds or agricultural pesticides, peak exposure may be due to infrequent exposure episodes and hence not representative for average exposure.

For short-lived chemicals such as volatile organic compounds or agricultural pesticides, average exposures may not reflect peak exposures arising through infrequent exposure episodes.

Conversely, a more 'loose' index, which only required infrequent wheezing episodes plus the same combination of other risk factors included in the 'stringent' index had a much higher sensitivity (39%) but lower specificity (82%) and positive predictive values (32%).

Clinically, rhesus (Macaca mulatta) monkeys develop infrequent and brief episodes of high-frequency tremor, whereas vervet (African green) monkeys frequently have prolonged episodes of low-frequency resting tremor (Bergman et al., 1998 b ).

Many patients described infrequent or intermittent episodes, which led to the perception that symptoms were not serious.