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Finkelman, R D., T A. Linkhart, S. Mohan, K H. Lau, D J. Baylink, and N H. Bell. "Vitamin D Deficiency Causes a Selective Reduction in Deposition of Transforming Growth Factor Beta in Rat Bone: Possible Mechanism for Impaired Osteoinduction." Proc Natl Acad Sci U S A 1991.

Finkelman, R D., et al. "Vitamin D Deficiency Causes a Selective Reduction in Deposition of Transforming Growth Factor Beta in Rat Bone: Possible Mechanism for Impaired Osteoinduction." Proc Natl Acad Sci U S A 1991.