Bowling, Ann. Research methods in health investigating health and health services / [Book] : Ann Bowling. - 2nd ed. - Buckingham ; Philadelphia : Open University Press, 2002. - xiv, 486 p. ; 25 cm. All. ISBN: 9780335206438 (pbk.) 0335206441 (hbk.) 0335206433 (pbk.) Subjects--Topical Terms: Public health--Methodology.--ResearchCommunity health services--Methodology.--Research Dewey Class. No.: 362.1072