Boards and wards / [edited by] Carlos Ayala, Brad Spellberg - 3rd ed. - Philadelphia, PA : Lippincott Williams & Wilkins, 2007 - xiii, 546 p. : ill. ; 20 cm. ISBN: 1405105097 RM103.60 Subjects--Topical Terms: Clinical Medicine--Examination Questions National Library of Medicine Call No.: WB18.2 / .B6618 2007 9HUKM