Health futures : a handbook for health professionals / Martha J. Garrett. Garrett, Martha J. Health planning. Forecasting Methodology. Public health. Forecasting. Public Health trends. Health Planning. RA394.9 .G37 1999 614 21 GAH Includes bibliographical references and index. Geneva : World Health Organization, 1999. 1999. 1999 Text xiv, 320 p. ; eng