Katz M
J Commun Disord. 1977 Mar;10(1-2):181-206. doi: 10.1016/0021-9924(77)90026-0.
Various types of devices have been patented to alleviate stuttering. Some prevent certain physical actions, such as clamping of the teeth, improper movement of the tounge and improper breathing. Others strengthen or incapacitate certain muscles. The devices and their alleged action on the body are described. United States as well as foreign patents are included. No attempt has been made to evaluate said devices
为缓解口吃，已申请了各类设备的专利。有些设备可防止某些身体动作，如咬紧牙关、舌头不当运动和呼吸不当。其他设备则增强或使某些肌肉失去功能。文中描述了这些设备及其对身体的所谓作用。其中包括美国专利以及外国专利。未尝试对所述设备进行评估。
