TY - GEN AU - GERSHKOVICH,N L TI - [A method for the estimation of the number of fleas in Rhombomys optimus burrows] SN - 0025-8326 PY - 1998///1101 KW - Animals KW - Flea Infestations KW - Gerbillinae KW - Siphonaptera N1 - Publication Type: Journal Article ER -