'as previous study' is grammatically correct and can be used in written English.
It is typically used to reference a previous study or research that has been conducted on a topic. Example: As previous study has shown, the effects of climate change are becoming increasingly evident in coastal regions.
For the reversed inequalities, the same arguments as previous study, so completes the proof.
As previous study we found that PBL can be alternative to overcome this.
These are consistent with the observations of rice sheath as previous study has shown (Shen et al. 2003).
Inconsistent with the TES model, women are more likely to be unsatisfied with travel time for their most-frequent trips which is the same as previous study [15].
As previous study revealed that this mouse is hypomorphic for VRK1, we also confirmed some of full length VRK1 was expressed in the homozygote (Figure S1) [17].
Values for total fat mass, trunk fat mass and trunk mass (kg) were obtained by using software built into the scanner (version 11.2.1) and daily quality control was performed using phantom #12447 the same as previous study [28].
In addition, for patients with AS, previous studies emphasized range-of-motion exercise, and aerobic exercise was often neglected [ 13].
For exercise prescription in patients with AS, previous studies emphasized range-of-motion exercise and posture instructions [ 13, 25].
They found, as previous studies have done, that committees reach better decisions than individuals do.
The discovery was a surprise as previous studies of small icebergs, or using ship-based measurements, has suggested a much smaller fertilisation effect.
The study's findings suggest that moderate drinking not only has protective cardiovascular effects for the general population, as previous studies have shown, but that it is also protective for people who already have hypertension.
