W. Werse: Ihr Blutdruck. Hab ein Herz für Dein Herz. Tips für ein Leben ohne Hochdruck. Hg. Ministerium für Arbeit, Gesundheit und Soziales des Landes NRW. Viele Abbildungen, überwiegend in Farbe. Broschüre 1989 IDIS Bielefeld
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