Young, Clara Gene. Learning medical terminology step by step / by Clara Gene Young and James D. Barger. - 2nd. ed. - St. Louis, Mo. : C. V. Mosby, 1971. - 325 p. : ill., forms. ; 27 cm. 1964 and 1965 editions published under title: Medical terminology step-by-step. Bibliography: p. 314. ISBN: 0801656516 Subjects--Topical Terms: Medicine--Terminology.