Van Baelen, H., Vandepitte, J., Cornu, G., & Eeckels, R. (1969). Routine detection of sickle-cell anaemia and haemoglobin Bart’s in Congolese neonates. Tropical and Geographical Medicine, 21(4), 412-426. https://hdl.handle.net/2078.5/134285 (Original work published 1969)