Background Geographic isolation caused by high-altitude valleys promotes the formation of geographic segregation of species. leading to species differentiation. The subgenus Oreosaura contains viviparous species from the Tibetan Plateau and the vicinity of the Tarim Basin. which can be divided into three species complexes according to their geographical distribution: Phrynocephalus vl... https://fitnessgravesyardes.shop/product-category/hand-pulse-sensor-wire/