title: [Observation on the survival and invasibility of Ascaris suum egg preserved at low temperature for 5 years].
authors.forename: Wei-wei
authors.initials: WW
authors.lastname: Wang
authors.forename: Chuan
authors.initials: C
authors.lastname: Chen
mesh_terms: D000818:Animals; D017165:Ascaris suum / Q000472:pathogenicity* / Q000502:physiology*; D015925:Cryopreservation; D007814:Larva / Q000472:pathogenicity / Q000502:physiology; D008168:Lung / Q000469:parasitology; D051379:Mice; D011817:Rabbits