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Growth hormone-deficient dwarf animals are resistant to dimethylbenzanthracine (DMBA)-induced mammary carcinogenesis.

J. Cline, W. Sonntag, M. Ramsey, 2002, Endocrinology.

Insulin-like Growth Factor-1 Modulates Learning and Memory

W. Sonntag, A. Ng, P. Thornton, 1999 .