Objectives: To validate a self administered postal questionnaire appraising risk of coronary heart disease. To determine whether use of this questionnaire increased the percentage of people at high ri
1 image. Frozen boy (Saint Mary's Hospital Long Beach), 15 August 1957. Mike Rivard (operation for heart-lung trouble-body frozen).; Supplementary material reads: "1957-08-15. Photographer: Gershon. S
Author(s): Barkow, Hans Carl Leopold, 1798-1873 Language(s): German Format: Manuscript text Subject(s): Anatomy Biology Medicine Pharmacology Genre(s): Lecture Note Copyright: The National Library of