Contractile power and resting tone of the anal sphincters during intravenous tetraethylammonium chloride block.
D001003:Anal Canal; D006801:Humans; D009119:Muscle Contraction; D012146:Rest; D019789:Tetraethylammonium
D019789:Tetraethylammonium
ANUS; TETRAETHYLAMMONIUM