Fondu, P., Baele, G., Capel, P., David, JL., Masure, R., Moriau, M., Vermijlen, C., & Vermylen, J. (1982). Belgian Standards for Factor-viii Related Properties - Preliminary Data - a Collaborative Study of the 1st-belgian Standard for Factor-viii Assays. Acta Clinica Belgica (Multilingual Edition), 37(2), 72-79. https://hdl.handle.net/2078.5/23989 (Original work published 1982)