The phrase "a sample of active" is not correct and lacks clarity in written English.
It may be intended to refer to a sample of something that is currently active, but it needs additional context to be meaningful.
Example: "We collected a sample of active participants for the study to ensure accurate results."
Alternatives: "a sample of current" or "a sample of engaged".
We sought to assess the impact of incarceration on risk factors for HIV infection after release from prison in a sample of active IDU in Vancouver, Canada.
Allowing for variation in protocols and instruments, allometry coefficients derived from the linear regression (Table 2) are higher to those for a sample of active boys followed from 8 to 16 years [ 33].
However, as we stated in our manuscript [ 1], it has only been used once in a sample of active TB patients and the validation was not done in a systematic fashion.
In a survey mailed in 2003 to a sample of active and retired workers (Jain et al. 2006), workers may have had up to 10 additional years of trucking industry exposure, thereby underestimating actual exposure and potentially reducing apparent risk associated with estimated exposure.
Therefore, the possible associations of well-being with physical activity and biomarkers of somatic health were studied in a sample of Swedish active seniors to determine the strength of these associations.
Findings from a sample of sexually active African American adolescent, nonpregnant females (n = 375) supported this hypothesis.
Using more than 10 years of the synoptic charts constructed from the maps nearest central meridian, we collect a sample of 848 active regions.
It was done for a sample of 12 active ingredients in a few hospitals.
In depth interviews were conducted with a sample of sexually active women aged 15 24, both users and non-users, that were drawn from randomly selected households.
We found that fractin and TubulinΔCsp6 antibodies highlight acute axonal degeneration in neonatal, infant, and adult hypoxic-ischemic injury as well as in a sample of an active multiple sclerosis lesion.
To monitor the progress towards more scrapie resistance in the Dutch sheep, continued genotyping of a sample of the active surveillance seems to be an easy and reliable way.
