TY - BOOK AU - Viney, Mark E AU - Read, Andrew F TI - Parasite variation: immunological and ecological significance SN - 9780521536035 U1 - 590 VIN.38 PY - 2003/// CY - Cambridge PB - Cambridge University Press KW - Parasites -- Immunology KW - Parasitic diseases -- Immunological aspects N1 - Includes index ER -