Interganglionic branch of cervicothoracic ganglion to second thoracic ganglion
interganglionic branch of cervicothoracic ganglion to second thoracic ganglion
Interganglionic ramus of cervicothoracic ganglion to second thoracic ganglion
interganglionic ramus of cervicothoracic ganglion to second thoracic ganglion