title: Radioisotope tagging for studies on the ecology of the sheep tick, Ixodes ricinus.
mesh_terms: D000818:Animals; D002250:Carbon Radioisotopes; D004463:Ecology; D005947:Glucose; D008675:Metamorphosis, Biological; D012756:Sheep / Q000469:parasitology*; D013987:Ticks / Q000254:growth & development
chemical_list: D002250:Carbon Radioisotopes; D005947:Glucose