%24515 0 Ca2_and__activated_K_and__channels 1 Cam-PDE_1_activation 2 Chorea 2--0 3 Erectile_Dysfunction 4 Hypertension,_Pulmonary 4--1 5 Nitric_oxide_stimulates_guanylate_cyclase 5--2 5--3 5--4 6 Platelet_homeostasis 6--2 6--3 6--4 7 Postural_Orthostatic_Tachycardia_Syndrome 7--5 7--6 8 Priapism 8--5 9 Pulmonary_arterial_hypertension_OR_Pulmonary_arterial_hypertension 9--1 9--5 9--6 10 Shock,_Cardiogenic 10--5 11 Tension-Type_Headache 11--5 12 Vasospasm,_Intracranial 12--5 12--6 13 cGMP_effects 13--2 13--3