title: Role of cyclic nucleotides in control of smooth muscle contraction.
mesh_terms: D000818:Animals; D002118:Calcium / Q000502:physiology; D000242:Cyclic AMP / Q000378:metabolism / Q000502:physiology*; D006152:Cyclic GMP / Q000378:metabolism / Q000502:physiology*; D004285:Dogs; D005260:Female; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects; D009126:Muscle Relaxation; D009130:Muscle, Smooth / Q000187:drug effects / Q000378:metabolism / Q000502:physiology*; D051381:Rats
chemical_list: D000242:Cyclic AMP; D006152:Cyclic GMP; D002118:Calcium