Bone mass is inversely proportional to Dkk1 levels in mice.
MacDonald, Bryan T, Danese M Joiner, Sivan M Oyserman, Parul Sharma, Steven A Goldstein, Xi He, and Peter Hauschka V. 2007. “Bone Mass Is Inversely Proportional to Dkk1 Levels in Mice.”. Bone 41 (3): 331-9.