(Q72813015)

English

On the Validity of Mailed Questionnaires in Diagnosing “Angina Pectoris’’ and “Bronchitis”

scientific article published on 01 December 1966

Statements

On the validity of mailed questionnaires in diagnosing "angina pectoris" and "bronchitis" (English)
On the Validity of Mailed Questionnaires in Diagnosing “Angina Pectoris’’ and “Bronchitis” (English)

Identifiers

 
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