is stromectol the same as ivermectin See also the following Supplemental Video 3, which shows a low pressure back leak test of a Rasa1 fl fl Prox1 ert2cre popliteal LV valve that failed to close and leaked gray circles in A C; Supplemental Video 4, which shows a high pressure back leak test of a control Rasa1 fl fl popliteal LV valve; Supplemental Video 5, which shows a high pressure back leak test of a Rasa1 fl fl Prox1 ert2cre popliteal LV valve that closed at a P out of 50 cm H 2 O and prevented further back leak thereafter red triangles in A C; Supplemental Video 6, which shows a low pressure back leak test of a Rasa1 fl fl mesenteric LV valve; Supplemental Video 7, which shows a low pressure back leak test of a Rasa1 fl fl Prox1 ert2cre mesenteric LV valve blue circles in D F