22 23 We ascertained TARPs for each of the advertisements broadcast in NSW during the study period based on OZTAM Australian TV Audience Measurements for adults aged 18 years and older for free-to-air and cable TV (M=1590, SD=758).
We ascertained medical history for cases and controls by extracting major diagnoses preceding index dates from the county hospital registries.
We ascertained food intake for each participant with a detailed questionnaire based primarily on 24-hr recall.
In this analysis we ascertained the expression levels for the first five splice variants in the same reading frame (Fig 3).
We ascertained all jobs held for at least 6 months since the age of 16 years and the town in which each workplace was located.
At each maternal contact, we ascertained the following information for the infant: the number of household members and siblings, breast-feeding status, cigarette and cooking smoke exposure, symptoms of upper respiratory tract infection, and antibiotic use.
Furthermore, we ascertained the prevalence of indications for caesarean section among all births.
By combining 10 years of data, we ascertained enough cases to adjust for demographic, socioeconomic, and clinical variables.
Accordingly, we ascertained family members of probands for more direct estimates of cholesterol absorption using the single-isotope-labeled method of Wang et al. (17).
When we combined the two samples ascertained for ADHD (totaling 822 subjects), we found that five SNPs were associated with IQ.
