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Original Articles

The Validity of the Questionnaire Diagnosis

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Pages 597-599 | Received 01 Jul 1970, Accepted 29 Jul 1970, Published online: 29 Apr 2013

References

  • Rose , GA . 1962 . The diagnosis of ischaemic heart pain and intermittent claudication in field surveys . Bull WHO , 27 : 645
  • Cederlöf R Friberg L et al. Respiratory symptoms and “angina pectoris” in twins with reference to smoking habits Arch Environ Health 1966 13 726 737
  • Cederlöf , R , Jonsson , E and Lundman , T . 1966 . On the validity of mailed questionnaires in diagnosing “angina pectoris” and “bronchitis.” . Arch Environ Health , 13 : 738 – 742 .
  • Lundman , T . 1966 . Smoking in relation to coronary heart disease and lung function in twins: A co-twin control study . Acta Med Scand , 180 ( suppl 455 ) : 1 – 75 .
  • Glasunov , IS . 1968 . Detection of angina pectoris of effort in a population using a postal questionnaire . Cor Vasa , 10 : 183 – 195 .
  • Liljefors , I . 1970 . Coronary heart disease in male twins: Hereditary and environmental factors in concordant and discordant pairs . Acta Med Scand , : 1 – 90 .
  • 1967 . The “Minnesota Code” for ECG classification: Adaption to CR leads and modification of the code for ECGs recorded during and after exercise, Scandinavian Committee on ECG classification . Acta Med Scand , : 1 – 26 .
  • 1959 . Hypertension and coronary heart disease: Classification and criteria for epidemiological studies . WHO Techn Rep Ser , 168 : 1 – 28 . WHO Expert Committee on Cardiovascular Diseases and Hypertension

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