1
Main outcome measures: The primary outcome measure was the frequency of AEs.
2
The principle was quickly adapted for medium-frequency use in American civil aviation.
3
Controls were frequency-matched to cases by birth year, sex, and study site.
4
The Italian EPIC food frequency questionnaire was used to determine food intake.
5
All of the studies used food frequency questionnaires to assess participants' diets.
1
The absolute frequency of this occurrence seems to be greatest in those flowers which are normally polypetalous.
2
We established criteria for assigning clonality based on parameters derived from both the relative and absolute frequencies of reads.