title: [The dead space].
mesh_terms: D000818:Animals; D002415:Cats; D007610:Kallikreins / Q000378:metabolism; D007705:Kinins / Q000096:biosynthesis; D008954:Models, Biological; D010455:Peptides / Q000378:metabolism; D011817:Rabbits; D012387:Root Canal Filling Materials; D012389:Root Canal Obturation; D014092:Tooth Root / Q000473:pathology*
chemical_list: D007705:Kinins; D010455:Peptides; D012387:Root Canal Filling Materials; D007610:Kallikreins