The phrase "a study has provided" is correct and usable in written English.
It can be used when discussing findings or results from a research study.
Example: "A study has provided evidence that regular exercise improves mental health."
Alternatives: "research has shown" or "a study reveals".
Notably, a study has provided evidence that the XX sex chromosome complement, as compared with XY, confers greater susceptibility to certain autoimmune diseases, such as experimental autoimmune encephalomyelitis (EAE) and pristane-induced lupus [41].
A study has provided a successful method for cryopreservation of EpCAM+ HSPCs based on the use of hyaluronan-supplemented buffers (135), where the retention of their stem-cell phenotypic traits (i.e., expansion ability, adhesion, and colony formation) has been controlled.
A recent study has provided a consistent knee kinematic and load data-set measured during stair climbing in patients implanted with a specific modern total knee prosthesis design.
For the LCR mediated NAHR translocations, a previous study has provided a genome-wide map of LCR substrates (Ou et al. 2011).
A recent study has provided evidence that a conventional TCA cycle operates at low levels in asexual blood-stage P. falciparum parasites [ 37].
A recent study has provided evidence of a causal association between remnant cholesterol contained in TRLs and ischaemic heart disease [ 34].
A recent study has provided molecular evidence for a single gene model to support the "overdominance" hypothesis of heterosis in tomato hybrids [ 48].
A recent study has provided genetic and biochemical support for a critical role of OL in mtDNA replication (5, 6).
Very recently a new study has provided strong evidence that individual genetic differences play a major role in whether people die from the disease [2].
Scores of colleges and universities have added or expanded Arabic course offerings, and a new study has provided the first broad statistical evidence that more students than ever are enrolling in Arabic classes.
