(Q44471403)
Statements
1 reference
Comparison of personal interview and postal inquiry methods for assessing prevalence of angina and possible infarction (English)
1 reference
T. Zeiner-Henriksen
1 August 1972
1 reference
1 reference
1 reference
25
1 reference
8
1 reference
433-440
1 reference
1 reference
1 reference
1 reference
1 reference
Identifiers
1 reference
1 reference