【作者】:M. J. B. Miguezb, C. Rodrigues, M. De N. M. Sanchez, and M. C. M. Lafunjeira 【题名】:Preparation and scanning electronic microscopy study of chitosan/polyvinyl (alcohol)-encapsulated crude urease extract 【期刊】:Journal of Microencapsulation 【年、卷、期、起止页码】:1997, Vol. 14, No. 5 : Pages 639-646 【全文链接】:http://informahealthcare.com/doi/pdf/10.3109/02652049709006816