Vanneman ME, Rosen AK, Wagner TH, Shwartz M, Gordon SH, Greenberg G, Zheng T, Cook J, Beilstein-Wedel E, Greene T, Kelley AT. Differences Between VHA-Delivered and VHA-Purchased Behavioral Health Care in Service and Patient Characteristics. Psychiatr Serv. 2023 02 01; 74(2):148-157.