APA

Pakkenberg B., Møller A., Gundersen H. J., Mouritzen Dam A. & Pakkenberg H. (19910508). The absolute number of nerve cells in substantia nigra in normal subjects and in patients with Parkinson's disease estimated with an unbiased stereological method. : Journal of neurology, neurosurgery, and psychiatry.

Chicago

Pakkenberg B, Møller A, Gundersen H J, Mouritzen Dam A and Pakkenberg H. 19910508. The absolute number of nerve cells in substantia nigra in normal subjects and in patients with Parkinson's disease estimated with an unbiased stereological method. : Journal of neurology, neurosurgery, and psychiatry.

Harvard

Pakkenberg B., Møller A., Gundersen H. J., Mouritzen Dam A. and Pakkenberg H. (19910508). The absolute number of nerve cells in substantia nigra in normal subjects and in patients with Parkinson's disease estimated with an unbiased stereological method. : Journal of neurology, neurosurgery, and psychiatry.

MLA

Pakkenberg B, Møller A, Gundersen H J, Mouritzen Dam A and Pakkenberg H. The absolute number of nerve cells in substantia nigra in normal subjects and in patients with Parkinson's disease estimated with an unbiased stereological method. : Journal of neurology, neurosurgery, and psychiatry. 19910508.