A phase I/II clinical trial of ex-vivo expanded human bone marrow derived allogeneic mesenchymal stromal cells in adult patients with perianal fistulizing Crohn’s Disease oleh Shekhar Swaroop, Sudheer Kumar Vuyyuru, Bhaskar Kante, Peeyush Kumar, Sandeep Kumar Mundhra, Umang Arora, Ankur Goyal, Devasenathipathy Kandasamy, Raju Sharma, Kavirajan Kabilan, Saurabh Kedia, Nihar Ranjan Dash, Vineet Ahuja