Smellie, S., & Lambert, M. (1987). Cross-specificity of the Tumor-marker Ca-19-9 - a Case of Ovarian-carcinoma With Recurrent Venous Thrombosis. Acta Gastro-Enterologica Belgica (Multilingual Edition), 50(2), 241-242. https://hdl.handle.net/2078.5/45239 (Original work published 1987)