The best replacement for stem cell is bone marrow transplant.

The best alternatives to stem cell are rated as following:
★★★★★  bone marrow transplant
★★★  cloning
★★★  bone marrow
★  embryonic stem cell
★  adult stem cells
★  knee replacement
★  cord blood
★  gene therapy
★  embryonic
★  adult stem cell
★  germ cell
★  progenitor
★  placenta
  progenitor cell
  differentiated cell
  prp
  embryonic stem cells
  bone marrow transplantation
  cord stem cell
  cord blood stem cell
  marrow transplant
  hair transplant
  cochlear implant

Your alternative for stem cell is not listed? Suggest!
Speaking about stem cell, one probably shouldn't forget about kidney transplant.

Other search terms related to stem cell and their ratings are:
★★★★★ kidney transplant
You have in mind a companion for stem cell and it is not yet here? Propose!



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stem cell
bone marrow transplant
cloning