Primary study · included by 2 reviews

Kumar 2023

ProbableThe reviews cited this study without a PMID, DOI or NCT, so it is matched by first author and year. Two different studies by the same author in the same year could be merged here.

Included by

Collagen Supplementation for Skin and Musculoskeletal Health: An Umbrella Review of Meta-Analyses on Elasticity, Hydration, and Structural Outcomes.
Non-Cochrane · intervention · 2026 · cited as Kumar 2023 · Appendix A (included systematic reviews)

The review does not say which of its outcomes this study informs.

Powered vs. manual toothbrushes in fixed orthodontic patients: a systematic review and meta-analysis.
Non-Cochrane · intervention · 2026 · cited as Kumar 2023 · Reference list (included papers 38-60); Supplementary S2

The review does not say which of its outcomes this study informs.

2 including reviews in total.