TY - BOOK AU - Steffen,Robert AU - DuPont,Herbert L. AU - Wilder-Smith,Annelies TI - Manual of travel medicine and health SN - 1550092278 AV - RA783.5 .S744 ATE REF PY - 2003/// CY - Hamilton, Ont., Lewiston, NY PB - BC Decker KW - Travel KW - Health aspects KW - Tropical medicine KW - Immunization KW - Communicable Disease Control ER -