evidencegaps
Primary study · included by 1 review

Efficacy and Safety of Low-dose Codeine-containing Combination Analgesics for Pain: Systematic Review and Meta-Analysis.

Abdel Shaheed 2019 · Abdel Shaheed Christina, Maher Christopher G, McLachlan Andrew J · The Clinical journal of pain · 2019

Included by

Efficacy and Harms of Opioid Analgesics for Acute Pain: Overview of Systematic Reviews and Meta-analyses.
Non-Cochrane · intervention · 2026 · cited as Abdel Shaheed 2019 · Table 1 (included systematic review, ref 50)

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

1 including review in total.