Development of a step-down method for altering male C57BL/6 mouse housing density and hierarchical structure: Preparations for spaceflight studies.

ISS National Laboratory® is a registered trademark of the National Aeronautics and Space Administration (NASA), used with permission. The ISS National Laboratory® is managed by the Center for the Advancement of Science in Space, Inc. under Cooperative Agreement with NASA. NASA Partner logo is used with permission. © 2011-2023 The Center for the Advancement of Science in Space, Inc. (CASIS), a 501 (c)(3) Corporation.