C. S. Cussigh, N. Trenkler, J. H. Hoffmann, A. H. Enk, and A. S. Lonsdorf, “Acute Variegate Porphyria in a Professional Bodybuilder after Starting a High-protein Diet and Treatment with Testosterone”, Acta Derm Venereol, vol. 101, no. 3, p. adv00412, Mar. 2021.