1. Multiple forms of vitellin in young oocyte of Perinereis cultrifera (Polychaete annelid): occurrence and relation to vitellin maturation in the oocyte;Baert;Comp. Biochem. Physiol.,1985
2. Evidence for vitellin maturation within oocytes of Perinereis cultrifera (Polychaete annelid);Baert;Comp. Biochem. Physiol.,1986
3. A 15,000-Mr protein proteolytically derived from vitellogenin within oocyte of Perinereis cultrifera (Polychaete annelid);Baert,1988
4. Fluorometric assays for cathepsin B and H with methylcoumarylamide substrates;Barrett;Biochem. J.,1980
5. Cathepsin B and cathepsin H and cathepsin L;Barrett;Meth. Enzym.,1981