[Effect of various anions on tonic contractions of the rectus abdominis in the frog].
D000818:Animals; D000838:Anions; D007477:Ions / Q000494:pharmacology*; D009132:Muscles / Q000494:pharmacology*; D011898:Ranidae; D017568:Rectus Abdominis
D000838:Anions; D007477:Ions
IONS/pharmacology; MUSCLES/pharmacology