K. Hitzemann

Epidermal growth factor receptor-dependent stimulation of amphiregulin expression in androgen-stimulated human prostate cancer cells.

M. Pittelkow, N. Maihle, I. Sehgal, 1994, Molecular biology of the cell.

Regulation of melanin biosynthesis in the human epidermis by tetrahydrobiopterin.

M. Pittelkow, W. Rödl, J. Wood, 1994, Science.