Foerster, M., Anele, A., Adisa, C., Galukande, M., Parham, G., Zietsman, A., Oyamienlen, C. S., Iwuoha, K. C., Ezeigbo, E., Bakengesa, E., Kaggwa, A., Naamala, A., Nteziryayo, A., Nakazibwe, T., Pinder, L. F., Walubita, E., Pontac, J., Anderson, B. O., McKenzie, F., Schüz, J., dos Santos Silva, I., & McCormack, V. (2020). few Losses to Follow-up in a Sub-Saharan African Cancer Cohort via Active Mobile Health Follow-up. American journal of epidemiology, 189(10), 1185–1196. http://access.bl.uk/ark:/81055/vdc_100114901919.0x000062