Time course of isotonic contraction in single cells and muscle strips from Bufo marinus stomach.
D000818:Animals; D002024:Bufo marinus; D004558:Electric Stimulation; D066298:In Vitro Techniques; D009040:Motion Pictures; D009119:Muscle Contraction; D009130:Muscle, Smooth / Q000166:cytology / Q000502:physiology*; D013270:Stomach / Q000166:cytology* / Q000502:physiology; D013997:Time Factors