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Discover LudwigThe phrase "a control or a" is not complete and lacks context, making it difficult to assess its correctness in written English.
It could be used in a context where you are discussing options or alternatives related to controls, but it needs to be part of a fuller sentence for clarity.
Example: "You can choose a control or a variable to manipulate in your experiment."
Alternatives: "a regulator or a" or "an option or a".
Exact(26)
We employ an experimental design, with study participants randomly assigned to a control or a treatment group.
One hundred and fifteen participants took part in this study, and were assigned randomly to either a control or a scented condition.
Using a within subject design we measured the difference of actual food or snack intake after a control or a stress task (Trier Social Stress Test).
Using a within subject design we measured the difference of actual food intake after a control or a stress task (Trier Social Stress Test).
The Act allows Regional Transport Authorities, as the primary procurers of public transport services, to place either a control or a contracting requirement upon services that are registered as commercial requiring no subsidy.
In the current study, genetically engineered Nrf2-null, wild-type (WT), and Nrf2-activated, Keap1-knockdown (K1-KD) mice were fed either a control or a high-fat Western diet (HFD) for 12 weeks.
Similar(34)
Primary hepatocytes from control mice were transduced with Ad-control or Ad-DN Atf2 and treated with tunicamycin.
We also prepared primary hepatocytes from control and Lrh-1 LKO mice and transduced them with Ad-control or Ad-C2/Atf2.
Sixty multiparous Holstein cows were used in a block design and assigned to either a control or an ethyl-cellulose RPM diet.
HD patients will be randomly distributed into a control or an exercise group.
We constructed two lentiviral vectors to express either mCherry, as a control, or an ETV2-mCherry fusion protein.
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