External Links
- Prospective vs. retrospective studies
- Current and historical cohort studies
Read more about this topic: Retrospective Cohort Study
Famous quotes containing the words external and/or links:
“All violent feelings have the same effect. They produce in us a falseness in all our impressions of external things, which I would generally characterize as the “pathetic fallacy.””
—John Ruskin (1819–1900)
“Nor stony tower, nor walls of beaten brass,
Nor airless dungeon, nor strong links of iron,
Can be retentive to the strength of spirit.”
—William Shakespeare (1564–1616)