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Bioessays : News and Reviews in Molecular, Cellular and Developmental Biology|June 10, 1998
Placental endogenous retrovirus (ERV): structural, functional, and evolutionary significanceJ R Harris
FEBS Letters|December 16, 1991
The evolution of placental mammalsJ R Harris
Bone Marrow Transplantation|November 1, 1989
Stem cell self-renewal considerations in bone marrow transplantationP Mauch, J Ferrara, S Hellman
Seminars in Nuclear Medicine|January 1, 1991
Brain single photon emission computed tomography: newer activation and intervention studiesR S Tikofsky, R S Hellman
Journal of Cellular Physiology|November 1, 1984
An in vitro clonal assay of adherent stem cells (ASC) in mouse marrowU Reincke, M Rosenblatt, S Hellman
The Journal of the Acoustical Society of America|November 1, 1986
Limitations of first-order approximations for calculations using intensity jnd'sR P Hellman, W S Hellman
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