The phrase "also the major source" is correct and usable in written English.
It can be used when discussing a primary origin or contributor to a particular topic or issue, often in a context where multiple sources are being referenced.
Example: "In addition to the various studies conducted, the research from the university is also the major source of our findings."
Alternatives: "also the primary source" or "additionally the main source".
They are also the major source of uncertainty in the choice of the soil design parameters.
Fluoroscopy-based imaging, above all intervention, may reach the dose threshold for deterministic effects, observed most often at the skin above around 3 Gy, and it is also the major source of occupational exposure in radiology.
63,9) of Porphyry, which was also the major source of Boethius' commentary on De Int. and probably also of Ammonius' citations of earlier authors, such as Alexander of Aphrodisias (active late 2nd to early 3rd century), Aspasius (first half of 2nd century), Herminus (2nd C ., and the Stoics.
Firstly, while the use of OPD sentences as the main stimuli is the genuine strength of this study, it is also the major source of potential confounds.
Our results do reinforce the widespread advice to reduce intake of ruminant fats, because these are also the major source of saturated fatty acids in affluent diets.
Since reactive oxygen species (ROS) are by-products of respiration, mitochondria are also the major source of ROS, being equipped with protective systems to prevent damage determined by these harmful compounds.
Aside from this, metal sludge, spent catalyst, spent lubricant, ink and the waste from the paint industries are also the major sources of molybdenum pollution [ 11].
Pegmatites also are the major source of sheet mica and important sources of gemstones, particularly tourmalines and the gem forms of beryl (aquamarine and emerald).
Also, being the major source of intracellular ROS, mitochondria are a major target of ROS-mediated damage.
Pork has also been the major source of pathogenic YE infections in earlier studies [ 1, 7, 31].
Thus, there is some degree of functional redundancy, although it is also not the major source of discrepancy between TF binding and effect of the TF deletion.
