Studies on the nervous system of Postharmostomum helicis (Leidy, 1847) Robinson 1949, (Trematoda : Brachylaimatidae).

@inproceedings{Ulmer1953StudiesOT,
  title={Studies on the nervous system of Postharmostomum helicis (Leidy, 1847) Robinson 1949, (Trematoda : Brachylaimatidae).},
  author={Melville Jack Ulmer},
  year={1953}
}