The phrase "and are usually attributed" is correct and usable in written English.
It can be used when discussing the common attribution of certain ideas, actions, or characteristics to specific sources or individuals.
Example: "These theories are widely accepted in the scientific community and are usually attributed to renowned researchers in the field."
Alternatives: "and are often credited" or "and are typically ascribed".
The Si formations on nanotip fragments observed under TEM are evidently the result of aggregating nanoparticles and are usually attributed to nucleation and condensation of the vaporized material [34].
Instead, these phenomena have been ubiquitously observed in a wide variety of materials and are usually attributed to dislocation nucleation or/and propagation during loading [20 22] or micro-cracking [23].
In most organisms studied previously, the potential functions of UV luminescence in animals are not well understood, and are usually attributed to social and behavioural cues [35].
(A 12th, perhaps included because of a misunderstanding, is the raunchy cartoon "Buried Treasure," which has been around for a while and is usually attributed to moonlighting Hollywood animators).
The peak within 387 420 nm is known as the characteristic peak for Ag NPs and is usually attributed to the surface plasmon resonance effect [30].
The failure of hardened, high performance gearing normally occurs through a process of fatigue and is usually attributed to a combination of the material properties along with gear design and mechanical misalignment.
The aggregation of bacteria at bactericidal concentration of many antimicrobial agents is already known and is usually attributed to the charge neutralization of bacterial cell's surface in case of PHMB [24].
It was the Yardbirds' signature sound and is usually attributed to bass player Paul Samwell-Smith; Birnbaum has identified it as "representing some of the earliest psychedelic blues-rock, antedating Jimi Hendrix and Cream".
Orthostatic hypotension is common in older adults with (1) and without diabetes (2) and is usually attributed to autonomic neuropathy or age-related comorbidities (3).
Alarmingly, the latter example is the most common and is usually attributed to high patient caseloads and limited availability of specialists concentrated within geographical locations outside of metropolitan areas.
Hybridization or introgression between two genetically distinct species is not uncommon among coastal organisms and is usually attributed to a recent overlap of distributional ranges following historical geographical separation [ 32, 33].
