title: In memoriam Frederik Hendrik Sobels (February 22, 1922-July 6, 1993).
authors.forename: K
authors.initials: K
authors.lastname: Sankaranarayanan
authors.forename: P H
authors.initials: PH
authors.lastname: Lohman
mesh_terms: D000818:Animals; D003582:Cytogenetics / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D009426:Netherlands; D011831:Radiation Genetics / Q000266:history