[Action of potassium (K+), sodium (Na+), chlorine (Cl-) and calcium (Ca2+) ions on membrane potential of crab (Carcinus maenas) cardiac striated fibers]

[Action of potassium (K+), sodium (Na+), chlorine (Cl-) and calcium (Ca2+) ions on membrane potential of crab (Carcinus maenas) cardiac striated fibers]