Interganglionic branch of middle cervical ganglion to cervicothoracic ganglion
interganglionic branch of middle cervical ganglion to cervicothoracic ganglion
Interganglionic ramus of middle cervical ganglion to cervicothoracic ganglion
interganglionic ramus of middle cervical ganglion to cervicothoracic ganglion