This inverse relationship between thyroid hormones and TSH is a key indicator of primary hyperthyroidism. Conversely, in secondary hyperthyroidism, excessive pituitary gland production elevates ...

Research studies in cardiovascular epidemiology assessing the relationship between a primary exposure and a health outcome must account for the presence of what are often called third variables, ...

Primary and secondary osteoarthritis differ in the underlying causes. They share similar symptoms, risk factors, and treatments. Learn more here.

Central to emotionally focused couples therapy is the idea that secondary or “hard” emotions (such as anger, disgust, hostility, resentment, or withdrawal) are influenced by underlying primary ...

James Burkhart, DSc - Senior Partner, CSuite Solutions, LLC. Dissertation Abstract. A study of the relationship between primary care physicians (PCPs) and hospitalists was conducted by surveying the ...

Under questioning from Justices Kennedy and Sotomayor, Perry asserted that First Derivative Traders allegations that the investment advisor controlled the day-to-day operations of the mutual fund did ...