Tomasi, JP., Delmée, M., Bigaignon, G., Debongnie, JC., Mainguet, P., Benhyagoub, AH., Lozes, E., Schlit, AF., & Cooreman, M. (1990). Comparison of Anti-helicobacter-(campylobacter)-pylori Igg Antibodies Between Different Areas of Belgium. Acta Clinica Belgica (Multilingual Edition), 45(4), 240-246. https://hdl.handle.net/2078.5/138201 (Original work published 1990)