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Age, number of persons in the home, race/ethnicity (non-Hispanic white, Hispanic, other), rural vs urban (inside the city limits vs outside), and educational level (less than high school, high school or equivalent, more than high school) were used to control for demographic differences among subjects.
These are the main achievements and benefits: Comprehensive automation of a validated, partly automated analysis method for opioids, cocaine, and metabolites from blood serum and other matrices Analysis results of both methods are equivalent (more than 220 authentic samples) on the basis of GTFCh recommendations The automated method saves manual work and reduces the risk of human errors.
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The company has over $18 billion in cash and cash equivalents, more than three times that of its nearest competitors.
This form of MPO contains two oxidizing equivalents more than the resting enzyme [17].
It is more trusted than its American equivalents, more lively than Deutsche Welle, more imitated (unsuccessfully) than any of them.
Five years ago, Ramon C. Cortines drastically reduced the bureaucracy by cutting the number at headquarters by the equivalent of more than 2,000 full-time workers, leaving the equivalent of 4,000 positions.
This would be equivalent to more than £50,000 a year.
That is equivalent to more than 600,000 users.
That's the equivalent of more than 25 Olympic-sized swimming pools full of toxic waste.
The public sector calculated this as "the equivalent of more than 40 sizeable new hospitals".
With $181 million and 143 students, it has the equivalent of more than $1 million a student.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com