{in order to {arrange|take} stem cells from {your|existing} bone marrow, the doctor carefully anesthetizes {activity|industry|sphere|area|system} in {sphere|area|sector|plan|direction} of the pelvic bone, {and then|and after|and at the end} {using|with|with the help of} a syringe extracts bone marrow fluid. This is a https://StemCellExpense.com/, also known as bone marrow aspiration.