Cotton L A
Am J Orthod. 1978 Jan;73(1):1-23. doi: 10.1016/0002-9416(78)90098-2.
Low-magnitude continuous force (1 to 2 pounds) was applied in a transverse direction to the palatal vault and posterior teeth of three rhesus monkeys to assess linear and angular changes of the maxilla versus those of the maxillary posterior teeth.
对三只恒河猴的腭穹窿和后牙施加横向的低强度持续力(1至2磅),以评估上颌骨相对于上颌后牙的线性和角度变化。