TY - BOOK TI - Viral infections of humans: epidemiology and control SN - 0306435772 (pbk.) AV - RA644.V55 V57 1989 U1 - 614.5 75 19 PY - 1991/// CY - New York PB - Plenum Medical Book Co. KW - Virus diseases KW - Epidemiology KW - Prevention KW - Virus Diseases KW - occurrence KW - prevention & control N1 - Includes bibliographical references and index ER -