The phrase "a further study by the same" is not complete and lacks clarity in written English.
It can be used when referring to an additional study conducted by the same author or research team, but it needs more context to be fully understood.
Example: "In a further study by the same researchers, the results were confirmed with a larger sample size."
Alternatives: "an additional study by the same" or "a subsequent study by the same".
In a further study by the same group (Portilla-Rivera et al. 2007b) utilized distilled grape marc another abundant by product of wine industry in Spain which consists of complex ligoncellulosic material.
Under this respect our results are in agreement with those by Bohotin et al. (2002) [37] that showed the ability of hf-rTMS to restore VEPs habituation in migraineurs, and with a further study by the same group [74] showing that repeated trains of 10 Hz rTMS were able to normalize habituation to VEPS with plastic effects lasting over time.
In a further study by the same research group, Frias-Martinez et al. go one step further, and propose a method not only to estimate, but also to forecast future socio-economic levels, based on time series of different variables gathered from mobile phone data [69].
However, a further study by the same group failed to observe any significant effects of GSM pulsed RF fields on cardiac Ca2+ currents [18].
In a further study by the same group, IL-1 alpha and TNF-alpha were proposed to play a role in susceptibility to radiation induced pulmonary fibrosis however IL-1 beta may have a protective role [ 57].
A further study by the same authors combined data from two Danish datasets and one UK dataset (n=1243) finding a similar U-shaped association between mortality and diagnostic delay (Tørring et al, 2012).
In a further study by this same group [42], magnetic nanoparticles were coated with antibodies against Aβ(1 40), Aβ(1 42), and τ protein.
A further study by the Australasian railway association brought the costs down to $68bn.
Further studies by the same group found differential expression of lipid metabolism and immune response genes using microarray analyses in frontal cortex of depressed suicide completers [ 40].
A further study by Aas et al.
