title: The blood-system in the Serpulimorpha (Annelida, Polychaeta). I. The anatomy of the blood-system in the serpulidae.
authors.forename: J
authors.initials: J
authors.lastname: HANSON
mesh_terms: D000818:Animals; D000845:Annelida; D006801:Humans; D009835:Oligochaeta; D011077:Polychaeta
keywords: EARTHWORMS