TY - GEN AU - Lubowski,D Z AU - Swash,M TI - Effect of sympathetic innervation on the human internal anal sphincter SN - 0179-1958 PY - 1992///0116 KW - Anal Canal KW - innervation KW - Humans KW - Muscle Contraction KW - physiology N1 - Publication Type: Comment; Letter UR - https://doi.org/10.1007/BF00341242 ER -