The phrase "alterations occurred" is correct and usable in written English.
It can be used to indicate that changes or modifications took place in a particular context, such as a process, document, or situation.
Example: "After reviewing the initial draft, it was clear that several alterations occurred before the final version was approved."
Alternatives: "changes were made" or "modifications took place."
However, high visible volume alterations occurred especially during DMSO and methanol injections.
Notably, these alterations occurred without a measurable effect on body adiposity.
The data obtained before the manipulation were compared with data obtained after the manipulation to determine if significant alterations occurred.
Using intravital microscopy in a rodent model of cecal ligation and puncture, Piper et al. demonstrated that similar microcirculatory alterations occurred within skeletal muscles [62].
Tests of several predictions suggest that alterations occurred through not only direct effects, but also indirect effects and potentially feedback loops.
No alterations occurred in the physicochemical characteristics of the longissimus thoracis; however, changes were observed (P < 0.05) in the longissimus thoracis fatty acid profile.
Stone porosity and pore size distribution were investigated by mercury intrusion porosimetry (MIP, Fisons Macropore Unit 120 and Porosimeter 2000 Carlo Erba) on fragments taken by chisel from the surface of stone cores, in order to investigate the alterations occurred in the consolidated layer of the sample.
In the rat VDT user model, dramatic histopathological alterations occurred.
Strikingly, 745 (99.7%) of these gene expression alterations occurred in the same direction for both treatments (Figure 1B).
Although this is a purely correlative observation, it is interesting to note that these alterations occurred exclusively in the entorhinal cortex and not in the hippocampus.
These alterations occurred within as little as two hours of treatment and had long-term effects on the phenotype generally associated with stem cell character.
