TY - BOOK AU - Guerrant, R.L etal AU - Walker,D.H AU - Weller, PF TI - Tropical infectious diseases: principles pathogens and practice SN - 9780443066689 AV - RC382.G4 2006 PY - 2006/// CY - philadephia PB - churchill livingstone KW - Tropical medicine KW - Medical microbiology ER -