Sim, Julius. Research in health care : concepts, designs and methods / Julius Sim, Chris Wright. - Cheltenham, Glos., United Kingdom : Stanley/Nelson Thornes, 2000. - ix, 402 p. : ill. ; 25 cm. Includes bibliographical references (p. 361-389) and index. ISBN: 0748737189 (pbk.) 9780748737185 LCCN: 2001431675 Subjects--Topical Terms: --Health Care Concepts LC Class. No.: MLCM 2006/00740 (R)