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Progressive ratio schedules in drug self-administration studies in rats: a method to evaluate reinforcing efficacy

He introduced the technique in the west after observing similar practices in the Soviet Union during a visit there in 1951

Arsenic species and selected metals in human urine: validation of HPLC/ICPMS and ICPMS procedures for a long-term population-based epidemiological study

A panel of three plastic surgery residents compared the faces of the twins, one of which had been smoking for at least five years longer than the other

But now we know about chronic traumatic encephalopathy, or CTE, a degenerative brain disease linked to head trauma