title: Equatorial x-ray intensities and isometric force levels in frog sartorius muscle.
mesh_terms: D000818:Animals; D001001:Anura; D008954:Models, Biological; D009119:Muscle Contraction; D009132:Muscles / Q000502:physiology*; D009218:Myosins / Q000502:physiology; D011894:Rana pipiens; D014961:X-Ray Diffraction
chemical_list: D009218:Myosins