Metadata
Author: LASER-wikipedia2
Data
English[en]
The symmetric tonic neck reflex normally appears and develops around 6–9 months of age and should integrate by around 12 months.
Chinese[zh]
对称的强直性颈部反射(英语:Symmetrical tonic neck reflex),通常出现和发展於6-9个月的年龄,并在约12个月時消失。