c("tissue: primary bone marrow derived mesenchymal progenitor cells", "age: 20 years old")
c("tissue: primary bone marrow derived mesenchymal progenitor cells", "age: 20 years old")
c("tissue: primary bone marrow derived mesenchymal progenitor cells", "age: 16 years old")
c("tissue: primary bone marrow derived mesenchymal progenitor cells", "age: 16 years old")
c("tissue: primary bone marrow derived mesenchymal progenitor cells", "age: 13 years old")
c("tissue: primary bone marrow derived mesenchymal progenitor cells", "age: 13 years old")