Designing clinical research. (4th ed.)
Hulley, Stephen B
Designing clinical research. (4th ed.) by Stephen B. Hulley [and others] - 4th ed. - Philadephia: Lippincolt Williams and Wilkins 2013 - xiii, 367p.:
includes bibliographical references and index
9781608318049
EPIDEMIOLOGIC METHODS
RESEARCH DESIGN
R 853.C55 Des
Designing clinical research. (4th ed.) by Stephen B. Hulley [and others] - 4th ed. - Philadephia: Lippincolt Williams and Wilkins 2013 - xiii, 367p.:
includes bibliographical references and index
9781608318049
EPIDEMIOLOGIC METHODS
RESEARCH DESIGN
R 853.C55 Des