title: A comprehensive mental hygiene program at Caterpillar Tractor Co.
authors.forename: H A
authors.initials: HA
authors.lastname: VONACHEN
authors.forename: B
authors.initials: B
authors.lastname: MITTELMANN
mesh_terms: D000383:Agriculture; D006801:Humans; D007221:Industry; D008603:Mental Health; D016272:Occupational Health
keywords: MENTAL HYGIENE/industrial