evidencegaps
Primary study · included by 1 review

2-Hydroxyoestrogens. Chemistry, biogenesis, metabolism and physiological significance.

Farook 2021 · Gelbke H P, Ball P, Knuppen R · Advances in steroid biochemistry and pharmacology · 1977

Included by

Grading the evidence for the association between periodontal disease and chronic non-communicable diseases: an umbrella review of meta-analyses of observational studies.
Non-Cochrane · aetiology · 2026 · cited as Farook 2021 · Table 1; Table S5

Also linked to PM42728586-P48-O1, which does not match a current question in this review.

1 including review in total.