ENVIRONMENTAL STUDIES OP ENDEMIC ENTERIC VIRUS INFECTIONS: II. POLIOVIRUS INFECTIONS IN HOUSEHOLD UNITS12

Abstract
PETER ISACSON, JOSEPH L. MELNICK, MARY WALTON, EDWARD M. OPTON, WARREN CARDWELL, RICHARD PRINDLE, ROBERT L. PARR, IRA L. MYERS, WINIFRED M. MENDEZ; ENVIRONMENT