Armstrong, Barbara (Nachtrieb) The health insurance doctor his rĂ´le in Great Britain, Denmark and France / Barbara N. Armstrong. - Princeton Princeton University Press 1939. - xii, 264 p., 1 b. "First edition." Subjects--Topical Terms: Insurance, Health--Medical examinations.Insurance, Health--Great Britain.Insurance, Health--France.Insurance, Health--Denmark.Insurance, Health--France.Insurance, Health--Denmark.Insurance, Health--Great Britain.