title: Dr. Walter C. Alvarez at Mayo.
authors.affiliation: Mayo Clinic, Rochester, MN 55905, USA.
authors.forename: C W
authors.initials: CW
authors.lastname: Nelson
mesh_terms: D001699:Biometry / Q000266:history*; D005762:Gastroenterology / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D009497:Neurotic Disorders / Q000266:history*; D014481:United States