Marcos Antônio Borges

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Questions related from Marcos Antônio Borges

Which test is the most sensitive and specific for screening Cushing's Syndrome?

Cortisol free serum,Cortisol free urine (24-hour), or Salivary Cortisol? Can the measurement of salivary cortisol replace the measurement of cortisol free serum in the assessment of free cortisol...

11 November 2013 8,555 15 View

Is matter really energy condensed?

I'm layperson in physics, but I often read the sentence: matter is energy condensed. And I doubt if this claim is true.

11 November 2013 6,107 20 View

To what degree is it necessary to measure the macroprolactin when the value of prolactin is within the normal range?

I receive many requests for measurement of macroprolactin. Most of the measurement results of this prolactin samples are within the reference range. In these cases, is there some significance to...

09 September 2013 551 7 View