title: [Blood pressure level and frequency of hypertension in female telegraph and telephone operators].
authors.forename: G L
authors.initials: GL
authors.lastname: SPIVAK
mesh_terms: D001794:Blood Pressure / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D006973:Hypertension / Q000706:statistics & numerical data*; D009790:Occupations; D013685:Telecommunications; D013689:Telephone
keywords: BLOOD PRESSURE/statistics; HYPERTENSION/statistics; OCCUPATIONS AND PROFESSIONS