Public Art & Health. Guided-viewing videos at the National Gallery: a randomised trial. Research record PAH-079. Edition 4.11, 29 September 2026. https://www.publicart.health/research/pah-079

Underlying source citation (as listed in the repository):
Trupp MD, Yin S, Landau R, et al. Evaluating guided viewing strategies to enhance well-being effects of art viewing: a three-arm randomised controlled trial. Sci Rep. 2026;16:28690.
https://www.nature.com/articles/s41598-026-56034-2