The phrase "a later study on the same" is correct and usable in written English.
It can be used when referring to a subsequent research study that focuses on the same topic or subject matter as a previous study.
Example: "The findings of a later study on the same topic confirmed the initial results."
Alternatives: "a subsequent study on the same" or "a follow-up study on the same".
A later study on ovarian cancer from the same institution showed lower incidences of positive findings on cytology (positive for adenocarcinoma cells): 11.7% for endometrial and 6.1% for cervical cytology (Suzuki et al, 2010).
Later studies on the same patient group showed that inflammatory markers, such as IL-6, CRP and albumin, are also significant predictors of mortality in very old humans (Wikby et al., 2006).
Two studies on the lizard Sceloporus undulatus generated contrasting results, with an initial finding of metabolic acclimation [27] challenged by a later study by the same research team [7].
This hypothesis was further supported by a later study from the same group [ 44].
A later study arrived at the same conclusion when using MLVA compared to PFGE method on a larger data set including 91 isolates of the same bacterium [ 46].
A later study performed by the same group (Cote et al, 1999) examined lymph nodes negative for metastases on routine histology from 736 patients by serial sectioning and by immunohistochemistry (IHC) with two anticytokeratins AE-1 and CAM 5.2.
Several years later, a galactoside transacetylase (coded by the a gene) and induced at the same time as β-galactosidase and permease, was discovered, thus facilitating later studies on the genetic determinism of induction (Zabin et al. 1962).
A later study in Pediatrics followed children 6 to 30 months old, with the same conclusion.
The second is based on our later study, working with the same construct, which suffered from a significant level of irretrievable cysteine oxidation, rendering many of the spectroscopic observables in Table 5 unavailable.
