Nelson S W
J Dent Res. 1975 Mar-Apr;54(2):265-8.
Monkey bone marrow cells that had undergone programmed freezing in liquid nitrogen were cultured for two weeks and then were implanted autogenously within millipore filter chambers. Marrow tissue was formed from this cellular implantation. This tissue appeared similar to mature marrow consisting of hematopoietic as well as connective tissue elements.