Aging is associated with impaired angiogenesis, but normal microvascular network structure, in the rat mesentery. - Sweat RS; Sloas DC; Stewart SA; Czarny-Ratajczak M; Baddoo M; Eastwood JR; Suarez-Martinez AD; Azimi MS; Burks HE; Chedister LO; Myers L; Murfee WL (American journal of physiology. Heart and circulatory physiology, 2017)