Physicians' current procedural terminology / Celeste G. Kirschner ... [et al.]. - [Chicago, Ill.] : American Medical Association, c1994. - x, 488p. ; 27 cm. ISBN: 0899706517 Subjects--Topical Terms: Hospitals--Outpatient services--Code numbers.Medicine--Terminology--Code numbers.Outpatient clinics, Hospital--Nomenclature.