Hill, Austin Bradford, Sir, 1897- Bradford Hill's principles of medical statistics. [[Book] /] Austin Bradford,Hill. - 12th ed. / Austin Bradford and I.D. Hill. - London : E. Arnold, 1991. - vii, 339 p.; : ill. ; 24 cm. Includes index. Includes bibliographical references and index. All Ages. ISBN: 0340537396 Subjects--Topical Terms: Medical statistics.Statistics. Dewey Class. No.: 610.28 National Library of Medicine Call No.: 610.28 / HB WA 950 H645p 1991