Kohli, S., Chandrasekhar, S., Sundari, K.S., Felicita, S. and Kohli, V.S. 2012. Innovative Loop Design for Effective & Efficient Space Closure: The Swan Loop. Orthodontic Journal of Nepal. 2, 1 (Jun. 2012), 51–54. DOI:https://doi.org/10.3126/ojn.v2i1.9357.