Immunophenotypic analysis of cell surface markers of bone marrow derived MSC. Immunophenotypic expression profile of cell surface markers: CD73, CD90, CD105, CD49d, CD117, CD166, CD31, CD54, CD29, CD34, CD44 and HLA-DR of bone marrow derived MSC analysed using flowcytometry at early passage-P3 (a) and late passage-P20 (b)