professional foul Andrew screaming about professional fouls Kaiser shares Andrew's concern about misleading journal article titles.
Aggregation The role of prior infection in the vaccine trials Kaiser reviews a finding from the J&J vaccine trial about immunity from infection.
Bias How to commit a professional foul - in statistics Kaiser defines professional fouling in statistics and data analyses.
Cause-effect Real-world studies: limits of knowledge Kaiser focuses attention on a few aspects of the Mayo Clinic real-world effectiveness study.