TY - BOOK AU - Nelson,Kenrad E. AU - Williams,Carolyn Masters AU - Graham,Neil M.H. TI - Infectious disease epidemiology: theory and practice SN - 083421766X AV - RA643 .I6535 2001 U1 - 614.5 21 PY - 2001/// CY - Gaithersburg, Md. PB - Aspen KW - Communicable diseases KW - Epidemiology KW - Communicable Diseases KW - epidemiology KW - Disease Outbreaks KW - Epidemiologic Methods N1 - Includes bibliographical references and index ER -