Selinger, E, Neuenschwander, M, Koller, A, Gojda, J, Kühn, T, Schwingshackl, L, Barbaresko, J & Schlesinger, S 2022, ' Evidence of a vegan diet for health benefits and risks–an umbrella review of meta-analyses of observational and clinical studies ', Critical Reviews in Food Science and Nutrition . https://doi.org/10.1080/10408398.2022.2075311