Functional Heterogeneity Is Associated with the Cell Cycle Status of Murine Hematopoietic Stem CellsWilliam H. Fleming, Eytan J. Alpern, Nobuko Uchida, Koichi Ikuta, Gerald J. Spangrude and Irving L. Weissman · The Journal of Cell Biology · 1993

Steel Factor Influences the Distribution and Activity of Murine Hematopoietic Stem Cells in vivoWilliam H. Fleming, Eytan J. Alpern, Nobuko Uchida, Koichi Ikuta and Irving L. Weissman · Proceedings of the National Academy of Sciences of the United States of America · 1993

Two Empires or Three?Ernst Mayr · Proceedings of the National Academy of Sciences of the United States of America · 1998

The Objects of SelectionErnst Mayr · Proceedings of the National Academy of Sciences of the United States of America · 1997

Generalized Riemannian GeometryLuther P. Eisenhart · Proceedings of the National Academy of Sciences of the United States of America · 1962

On Monothetic GroupsPaul R. Halmos and H. Samelson · Proceedings of the National Academy of Sciences of the United States of America · 1942

Stochastic Speculative PricePaul A. Samuelson · Proceedings of the National Academy of Sciences of the United States of America · 1971

Supplement || Front MatterProceedings of the National Academy of Sciences of the United States of America · 1983

Supplement || Biological Sciences Subject IndexProceedings of the National Academy of Sciences of the United States of America · 1983

Supplement || Physical Sciences Subject IndexProceedings of the National Academy of Sciences of the United States of America · 1983