STUDIES ON THE DEVELOPMENT OF NATURAL IMMUNITY TO POLIOMYELITIS IN LOUISIANA: I. OVER-ALL PLAN, METHODS AND OBSERVATIONS AS TO PATTERNS OF SEROIMMUNITY IN THE STUDY GROUP1

Abstract
JOHN P. FOX, HENRY M. GELFAND, DOROTHY R. LEBLANC, DONALD P. CONWELL, MARGARET S. BROOKS, BARBARA F. YAEGER; STUDIES ON THE DEVELOPMENT OF NATURAL IMMUNITY TO