Extraction of concanavalin A affinity material from rat testicular and epididymal spermatozoa Suzanne FOURNIER-DELPECH, B. J. DANZO and Marie-Claire ORGEBIN-CRIST Ann. Biol. anim. Bioch. Biophys., 17 2 (1977) 207-213 DOI: 10.1051/rnd:19770210