| 12354 | Catechol Oxidase from the Skate (Raja erinacea) Nidamental Gland: Partial Purification and Characterization | | | | | | |
| 11967 | Catechol Oxidase in the Little Skate (Raja erinacea) Egg Capsule: Enzyme Latency Induced by an Endogenous Factor | | | | | | |
| 12020 | Catechol Oxidase Latency in Nidamental Gland Extracts from the Little Skate (Raja erinacea) | | | | | | |
| 12420 | On the Role of Egg Jelly in Raja Erinacea Egg Capsule | | | | | | |
| 12089 | Oxidative Enzymes and the Formation of Egg Capsules in the Little Skate (Rata Erinacea) | | | | | | |
| 12019 | Preparation and Characterization of Immobilized Antipain and Chymostatin for the Isolation of Proteolytic Enzymes by Affinity Chromatography | | | | | | |
| 12355 | Protease Activity in Albumen During Development of the Little Skate Raja erinacea | | | | | | |