title: The induction of permeability in egg-shells of Ascaris suum prior to hatching.
authors.forename: A J
authors.initials: AJ
authors.lastname: Clarke
authors.forename: R N
authors.initials: RN
authors.lastname: Perry
mesh_terms: D000818:Animals; D001200:Ascaris / Q000378:metabolism*; D010063:Ovum / Q000378:metabolism*; D010539:Permeability