APA

Pirttilä T., Koivisto K., Mehta P. D., Reinikainen K., Kim K. S., Kilkku O., Heinonen E., Soininen H., Riekkinen P. & Wisniewski H. M. (19980903). Longitudinal study of cerebrospinal fluid amyloid proteins and apolipoprotein E in patients with probable Alzheimer's disease. : Neuroscience letters.

Chicago

Pirttilä T, Koivisto K, Mehta P D, Reinikainen K, Kim K S, Kilkku O, Heinonen E, Soininen H, Riekkinen P and Wisniewski H M. 19980903. Longitudinal study of cerebrospinal fluid amyloid proteins and apolipoprotein E in patients with probable Alzheimer's disease. : Neuroscience letters.

Harvard

Pirttilä T., Koivisto K., Mehta P. D., Reinikainen K., Kim K. S., Kilkku O., Heinonen E., Soininen H., Riekkinen P. and Wisniewski H. M. (19980903). Longitudinal study of cerebrospinal fluid amyloid proteins and apolipoprotein E in patients with probable Alzheimer's disease. : Neuroscience letters.

MLA

Pirttilä T, Koivisto K, Mehta P D, Reinikainen K, Kim K S, Kilkku O, Heinonen E, Soininen H, Riekkinen P and Wisniewski H M. Longitudinal study of cerebrospinal fluid amyloid proteins and apolipoprotein E in patients with probable Alzheimer's disease. : Neuroscience letters. 19980903.