The phrase "a recent study observed" is correct and usable in written English.
It can be used when referring to findings or insights gained from a study conducted in the near past.
Example: "A recent study observed that regular exercise can significantly improve mental health."
Alternatives: "a recent study found" or "a recent study reported".
A recent study observed that activated Shh signaling drives proliferation of synoviocytes in RA45.
A recent study observed spontaneous dyskinetic movements (reflecting an innervated striatal system) in individuals reporting NCP.
Lab studies using the dictator game consistently show that people are willing to share some of the money, but a recent study observed almost no sharing whatsoever when they had people unwittingly play a real-world version of the game at a bus stop in Las Vegas.
A recent study observed that, in patients with spontaneous breathing, only the respiratory variation of the inferior vena cava diameter of very high amplitude indicated fluid responsiveness [52].
A recent study observed similar findings that those CHWs joined BRAC with an expectation of income were more likely to continue their job compared to other CHWs [9].
To give an example of the size of the data sets utilised by some scientific research experiments, a recent study observed a particle physics experiment (DZero) taking place at the Fermi Lab research center.
The effect of delayed access to ART in this first cohort becomes evident in comparison to a recent study observing the transmission of resistant virus in a much younger cohort of neonates and children with timely access to pMTCT and ART in Peru, revealing a predominance of NNRTI mutations, whereas mutations conferring high-level resistance to ARV were still found to be rare [ 18].
A very recent study observed that a single isolation of M. fortuitum in a respiratory specimen seldom indicated progression of disease and, after single isolations of other NTM species, progression was dependent on patient age and radiographic changes, but not on the NTM species [ 21].
A more recent study observed that after 1 week of treatment of mdx mice with nifedipine, intracellular calcium was decreased and grip strength and swimming times were increased.
One recent study observed a better prognosis in subjects identified in an active screening programme compared with those identified in the course of routine practice, 8 suggesting potential benefit of intervention earlier in the course of disease.
One recent study observed additionally an increased CSF volume in the frontal and temporal lobe of patients with schizophrenia [ 20].
