1. Poly-α-amino acids as biomedical polymers;Anderson,1985
2. The potential fat poly-α-amino acids as biomaterials;Anderson,1974
3. Biodegradation of poly(α-amino acid) in vitro;Hayashi;Rep. Progr. Polym. Phys., Japan,1983
4. Structure and activity of stem bromelain;Murachi;Nippon Kagaku Zasshi (Japanese),1967
5. Bromelain enzymes;Murachi;Methods Enzymol.,1976