Karl R. Hansen

Ecto-5′-nucleotidase (CD73) regulation by hypoxia-inducible factor-1 mediates permeability changes in intestinal epithelia

Kristin Synnestvedt, Glenn T. Furuta, Katrina M. Comerford et al. · Journal of Clinical Investigation · 2002 · 677 citations · Full text

Ecto-5′-nucleotidase (CD73) regulation by hypoxia-inducible factor-1 mediates permeability changes in intestinal epithelia

Kristin Synnestvedt, Glenn T. Furuta, Katrina M. Comerford et al. · Journal of Clinical Investigation · 2002 · 644 citations

Intestinal Epithelia, Murine Hypoxia Model, Digestive Tract +22

A new model of reproductive aging: the decline in ovarian non-growing follicle number from birth to menopause

Karl R. Hansen, Nicholas Knowlton, Angela Thyer et al. · Human Reproduction · 2008 · 553 citations · Full text

Correlation of ovarian reserve tests with histologically determined primordial follicle number

Karl R. Hansen, George M. Hodnett, Nicholas Knowlton et al. · Fertility and Sterility · 2010 · 521 citations

Primordial Follicle Number, Embryology, Infertility +15

Letrozole, Gonadotropin, or Clomiphene for Unexplained Infertility

Michael P. Diamond, Richard S. Legro, Christos Coutifaris et al. · New England Journal of Medicine · 2015 · 275 citations · Full text