J. Bradfield, S. Woodborne, J. Hollmann, and I. Dubery, “A 500-year-old medicine container discovered near Misgund, Eastern Cape, South Africa: Residue characterisation by GC-MS”, S. Afr. J. Sci., vol. 119, no. 1/2, Jan. 2023, doi: 10.17159/sajs.2023/13011.