Park DH, Yoon SG, Kim KU, et al. (May 2005). "Comparison study between electrogalvanic stimulation and local injection therapy in levator ani syndrome". International Journal of Colorectal Disease. 20 (3): 272–6. doi:10.1007/s00384-004-0662-9. PMID15526112.
Park DH, Yoon SG, Kim KU, et al. (May 2005). "Comparison study between electrogalvanic stimulation and local injection therapy in levator ani syndrome". International Journal of Colorectal Disease. 20 (3): 272–6. doi:10.1007/s00384-004-0662-9. PMID15526112.