nif:isString
|
-
Therefore, we divided the rats into five groups: juvenile (3–6 weeks, just after weaning, n = 9), young adult (8–11 weeks, early reproductive phase, n = 8), adult (17–20 weeks, late reproductive phase, n = 9), middle-aged (34–37 weeks, end of reproduction, n = 10), and old-aged (69–72 weeks, n = 10).
|