298 F.3d 333 P.V. PATEL, M.D., individually; P.V. Patel, M.D., A Professional Association; The Heart Center; Echo Lab Incorporated; Associates of Midland Cardiovascular and Internal Medicine, A Professional Association, also known as Midland Cardiovascul, Plaintiffs-Appellants-Cross-Appellees,v.MIDLAND MEMORIAL HOSPITAL AND MEDICAL CENTER; et al., Defendants,Midland Memorial Hospital and Medical Center; Memorial Heart and Vascular Institute; Permian Cardiology […]