Field trials of health interventions in developing countries : a toolbox / edited by Peter G. Smith and Richard H. Morrow.

London : Macmillan, 1996.

xxii, 362 pages : forms ; 23 cm.

2nd ed., rev. and updated.

Previous ed. published as: Methods for field trials of interventions against tropical diseases. Oxford : Oxford University Press, 1991.

Includes bibliographical references and index.