TY - GEN AU - Lubowitz,James H AU - Provencher,Matthew T AU - Poehling,Gary G TI - Two steps forward, one step back SN - 1526-3231 PY - 2012///0606 KW - Arthroscopy KW - methods KW - Humans KW - Mesenchymal Stem Cells KW - Platelet-Rich Plasma N1 - Publication Type: Editorial; Introductory Journal Article UR - https://doi.org/10.1016/j.arthro.2011.08.291 ER -