Effects of ginsenosides on hypothalamic-pituitary-adrenal function and brain-derived neurotrophic factor in rats exposed to chronic unpredictable mild stress Protection and mechanism of notoginsenoside-Rg_1 on focal cerebral ischemia-reperfusion rats The association of BDNF gene polymorphisms with normal behavior traits in house-hold sika deer (Cervus nippon) Effect of Draconis Sanguis-containing serum on NGF, BDNF, CNTF, LNGFR, TrkA, GDNF, GAP-43 and NF-H expressions in Schwann cells