title: Storage times for Guthrie cards.
authors.forename: N H
authors.initials: NH
authors.lastname: Thomas
mesh_terms: D001793:Blood Preservation / Q000379:methods*; D004247:DNA / Q000032:analysis*; D030342:Genetic Diseases, Inborn / Q000235:genetics; D006801:Humans; D007223:Infant; D013997:Time Factors
chemical_list: D004247:DNA