Ehrenfeld, Jesse M. Health systems science review / Jesse M. Ehrenfeld, Jed D. Gonzalo. - Philadelphia, PA : Elsevier, 2020. - xiii, 106 pages ; 28 cm. - (AMA Education consortium). . Includes index. ISBN: 9780323653701 Pbk, Bp. Subjects--Topical Terms: Medical care, Cost of - United States. LC Class. No.: RA 410.53 E47 2020 COM