Frost, R, Uddin, S, Mathew, S, Thomas, V, Salame, A, Bhamra, SK, Bazo-Alvarez, JC, Bhanu, C, Heinrich, M and Walters, K (2024) What over the counter (OTC) products have been evaluated for anxiety in adults aged 18–60? A scoping review. Journal of Mental Health. ISSN 0963-8237

Frost, R, Mathew, S, Thomas, V, Uddin, S, Salame, A, Vial, C, Cohen, T, Bhamra, SK, Alvarez, JCB, Bhanu, C, Heinrich, M and Walters, K (2024) A scoping review of over-the-counter products for depression, anxiety and insomnia in older people. BMC Complementary Medicine and Therapies, 24 (1).

Frost, R, Bhamra, SK, Pendry, B and Heinrich, M (2021) COVID-19 and herbal practice: A United Kingdom practitioner survey. Advances in Integrative Medicine, 8 (4). pp. 256-260. ISSN 2212-9588