PT  - JOURNAL ARTICLE
AU  - Waaler, H T
TI  - Selection in cohorts and pattern of causes of death.
AID  - 10.1136/jech.35.1.75
DP  - 1981 Mar 01
TA  - Journal of Epidemiology and Community Health
PG  - 75
VI  - 35
IP  - 1
4099  - http://jech.bmj.com/content/35/1/75.short
4100  - http://jech.bmj.com/content/35/1/75.full
SO  - J Epidemiol Community Health1981 Mar 01; 35