Yung-Hsien ChangDepartment of AnatomyAmerican Journal of Chinese MedicineChien CH, Tsai YC, Tseng CY, Huang BM, Chang YH. The spatial and segmental innervation of somatic acupoint: a study of canine Shen-Shu point (BL-23). Am J Chin Med. 2007; 35(3):437-446....