title: The potato eelworm hatching factor; the preparation of concentrates of the hatching factor and a method of bioassay.
authors.forename: C T
authors.initials: CT
authors.lastname: CALAM
authors.forename: H
authors.initials: H
authors.lastname: RAISTRICK
authors.forename: A R
authors.initials: AR
authors.lastname: TODD
mesh_terms: D000818:Animals; D001681:Biological Assay; D006376:Helminths; D011198:Solanum tuberosum