Cervén E., Ronquist G., Rimsten Åke, and Ågren G., “The Use of Con A Sepharose as an Affinity Adsorbent in a Simple Assay of Serum Sialyl and Fucosyltransferase and its Application in Tumour Diagnosis”, ujms, vol. 86, no. 3, pp. 237-247, Sep. 1981.