However, little is known about the frequency of, and circumstances leading to, convergent evolution in the open ocean.
After a detailed examination of the frequency and circumstances of the flight song, the study concluded that it might simultaneously warn mates of a potential predator and direct the attention of the predator to the male.
The LASA cohort is representative for the Dutch older population allowing us to study the first two aims of getting insight into frequency and circumstances of limited DMC in the last phase of life of older people.
Objectives: To describe the frequency and circumstances of falls among a community sample of people with stroke and to compare characteristics of fallers and nonfallers.
The ISS also represents a framework for monitoring long-term changes in the frequency and circumstances of injury.
As in: Let U, C, I, S, and F be integers between 1 and 9, reflecting, respectively, comparative levels of Urgency, Complexity, Importance, Skill, and Frequency in a given set of circumstances.
The difference between the "bad guy" and myself might only lie in the frequency of exposure to disastrous circumstances.
The proposed definition of a reportable event for laboratories is: "Any situation considered unusual related to received samples (frequency, circumstances of occurrence or clinical description) OR test results (unexpected number of the same species/subspecies, strain type/subtype or antimicrobial resistance pattern, or failure/uncertainty in diagnostics)".
Because PAHs are seldom found in drinking water, this raised questions about the frequency of increased PAH levels, the circumstances in which this can occur, and the potential implications for human health.
The proposed definition for events to be reported by clinicians is: "Any outbreak of disease, OR any uncommon illness of potential public health concern, OR any infectious or infectious-like syndrome considered unusual by the clinician, based on frequency, circumstances of occurrence, clinical presentation, or severity".
