The phrase "also shown that several" is not correct as it is incomplete and lacks a subject or verb to form a complete thought.
You can use it in a context where you are referring to previous findings or evidence, but it needs to be part of a complete sentence.
Example: "The study has also shown that several factors contribute to the observed outcomes."
Alternatives: "also demonstrated that several" or "also indicated that several".
It is also shown that several new controllers for mechanical systems designed invoking other (less systematic procedures) that do not satisfy the conditions of standard IDA-PBC, actually belong to this new class of SIDA-PBC.
We have also shown that several other surfactants (non-ionic, zwitterionic, and anionic) tested by us are neither spermicidal nor bactericidal, nor protective against viral infection of polarized epithelial cells, below concentrations at which they are toxic to the epithelial cells themselves.
It was also shown that several important socio-demographic variables had a significant association with depression in the elderly.
We have also shown that several SNPs within EPAS1 are associated with endurance athletic status, in a sex-specific manner.
In a study in humans, thrombin caused decreased CgA concentrations in the circulation and it was also shown that several proteinases were involved in this process [ 46].
Previous studies have also shown that several non-disease factors such as attitude, behavior, dental attendance, characteristics of health care system and socio-demographic factors play important roles in the aetiopathogenesis of edentulism [ 3].
But on average, the results also showed that several Asian countries had increased their dominance.
We also show that several of these algorithms approach an approximate lower bound on inter-processor data transfer.
The records of the interview also show that several senior executives, including Jeffrey K. Skilling, the former chief executive, were frequently consulted on issues related to the partnership transactions.
We also show that several useful extra functions and better overall performance can be obtained by analyzing diverse circuits with the speciation technique.
It also shows that several of these centres have yet to extend their anti-laundering regimes to cover non-bank financial institutions.
