Haque, T., Chen, H., Ouyang, W., Metz, T., Lawuyi, B. and Prakash, S. 2005. Effect of Integrating Polyethylene Glycol to Alginate-Poly-L-Lysine and Alginate Chitosan Microcapsules for Oral Delivery of Live Cells and Cell Transplant for Therapy. CMBES Proceedings. 28, 1 (Dec. 2005).