"among various studies" is correct and usable in written English.
You can use it in a sentence like this: "We reviewed the available literature, among various studies, to determine the best approach."
Among various studies exploiting coalition game for communications networks, the study in [27] proposed a hybrid homogeneous LEACH protocol (HHO-LEACH) to minimize energy consumption of the network.
Attitude has been confirmed as an important factor for determining purchase intention among various studies on green apparel (Kim and Karpova 2010; Ko 2012), and played a role of mediator in organic consumerism (Johe and Bhullar 2016).
As an illustrative example, among various studies conducted to define the TLU domain for designing the TOEFL iBT® test was a large-scale job analysis survey of university students and faculty members conducted by Rosenfeld, Leung, and Oltman (2001).
The effect of exercise on the lipids is different among various studies conducted in longitudinal research.
However, it appears that how measures to examine these outcomes vary among various studies.
However, the heterogeneity among various studies was very high (I = 65.1%, P h = 0.035).
Variability in the definitions of AKI and RRT timing has resulted in contradicting conclusions among the various studies [19 23].
Two studies are more complete and more impressive among the various studies that have been done about uniqueness of the people's blood vessels pattern [12].
On the other hand, among the various studies on systematic energy efficiency, there are many studies being conducted on the concept of a smart grid.
Among the various studies, if single-dose studies are generally part of the quality control test battery, repeated dose studies are pivotal.
