Manju Rawat Singh, Deependra Singh, and Saraf Swarnlata. “Development and in Vitro Evaluation of Polar Lipid Based Lipospheres for Oral Delivery of Peptide Drugs”. International Journal of Drug Delivery, vol. 1, no. 1, Dec. 2009, pp. 15-26, https://ijdd.arjournals.org/index.php/ijdd/article/view/2.