“…The need for research to inform the larger, systems-based issues of the organization and delivery of primary care services has never been greater (Dudley, Landon, Rubin, et al, 2000; Institute of Medicine, 1996; McNeese-Smith & Nyamathi, 1999). Yet, access to managed care organizations (MCOs), sometimes also called healthcare organizations, as sites for clinical investigations may be both challenging and problematic (Baum, Logemann, & Stemzel, 1999; Durham, 1998; Meyer, Genel, Altman, et al, 1998; Parkerton, 1999).…”