Sentence examples for background samples were obtained from inspiring English sources
Background samples were obtained once each morning before any water-use activities began.
Background information and blood and stool samples were obtained from the patient's coworkers.
The ethnic background of the individuals from whom the samples were obtained was carefully documented and ascertained for at least three previous generations, both maternally and paternally as described previously [ 26].
The ethnic background of the individuals from whom the samples were obtained was carefully documented and ascertained for at least three previous generations, both maternally and paternally, as described previously [ 26].> -wrap-foot> THBVHBV isolates were collected from 440 individuals from 40 different ethnic populations of the Indonesian archipelago.
With the archaeologists' and conservators' collaboration, seventeen samples were obtained from Phase 2, all belonged to the background colors: red, yellow, white, black and gray.
Whole-blood samples were obtained and analyzed for lead by graphite furnace atomic absorption with Zeeman background correction (ESA Laboratories, Chelmsford, MA).
To reduce individual differences, tissue samples were obtained from the same patient, enabling us to study differential protein expression under similar genomic background.
Placenta and cord blood samples were obtained from 35 Inuit women and 30 women from a southern Québec community exposed to background levels of organochlorines.
It says the samples were obtained legally through a researcher and approved by the National Institutes of Health.
