van Dam, P., Huizing, M., Roelant, E., Hotterbeekx, A., De Winter, F. H., Kumar-Singh, S., Moons, P., Amajoud, Z., Vulsteke, C., Croes, L., Janssens, A., Berneman, Z., Prenen, H., Meuris, L., Vanden Berghe, W., Smits, E., & Peeters, M. (2021). immunoglobin G/total antibody testing for SARS-CoV-2: A prospective cohort study of ambulatory patients and health care workers in two Belgian oncology units comparing three commercial tests. European journal of cancer, 148, 328–339. http://access.bl.uk/ark:/81055/vdc_100129508436.0x000027