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Original Article
Mitnala Sasikala, Pugazhelthi Surya, Gaddipati Radhika, Pondugala Pavan Kumar, Mekala Subba Rao, Rathindra Mohan Mukherjee, Padaki Nagaraja Rao, D Nageshwar Reddy 
World J Stem Cells 3(7):63-69. Published online Jul 26, 2011. doi: 10.4252/wjsc.v3.i7.63