1. Multiple aggregation factors in cartilage proteoglycan;Gregory;Biochem J,1973
2. Aggregation ol cartilage proteoglycans. Ill Characteristics of the proteins isolated trom tryptic digests of aggregates;Heinegard;J biol. Chem.,1974
3. Hyaluronic acid in cartilage and proteoglycan aggregation;Hardingham;Biochem. J,1974
4. Structure and stability of proteoglycan aggregates;Hardingham;Ann rheum. On.,1975