Flea collars for dogs.
D000818:Animals; D004283:Dog Diseases / Q000517:prevention & control*; D004285:Dogs; D004478:Ectoparasitic Infestations / Q000517:prevention & control / Q000662:veterinary*; D007300:Insect Control / Q000295:instrumentation*; D005423:Siphonaptera; D013987:Ticks