bibliographicCitation |
Lärkfors L, Ebendal T, Whittemore SR, Persson H, Hoffer B, Olson L. Decreased level of nerve growth factor (NGF) and its messenger RNA in the aged rat brain. Brain Res. 1987 Dec;427(1):55–60. doi: 10.1016/0169-328x(87)90044-1. PMID: 2448009. |