615 adultstemcells autoimmunediseases biocompatiblematerials biology biomedicalengineering cellculture celldifferentiation cells cellulartherapy clinicalprotocols congresses cultured cytologicaltechniques cytology drugcarriers drugdeliverysystems general genetherapy genetictherapy gentherapie healthpolicy heart hematopoieticstemcelltransplantation internalmedicine lifesciences liverregeneration lung medical mesenchymalstemcelltransplantation methods nature neoplasms neoplasticstemcells patientcare pharmacology physiology placenta placentalextracts qh499 qu325 qu560 reference regeneration regenerativemedicine research science stammzelle stemcellresearch stemcells stemcelltransplantation surgery therapeuticuse therapie therapy tissueengineering tumors wg7400 wi702 wo660 wq212