In any proof-of-concept review (Symplicity HTN-1), ��known twin kidney arteries�� has been a good exception to this rule criterion [6]. #links# In the randomized Symplicity HTN-2 trial, this was modified to be able to ��multiple major renal blood vessels in both kidney�� [3], then further specified in your prospecting Symplicity HTN-3 tryout since ��multiple renal veins where the primary kidney ar