Publications by authors named "Keith R Allen"

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Screening for drugs of abuse: which matrix, oral fluid or urine?
Keith R Allen

Ann Clin Biochem· November 2011

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A simple liquid chromatography linked to tandem mass spectrometry method for measurement of serum cholinesterase activity using succinylcholine as substrate.
Jennifer D Spencer, David Rushton, Keith R Allen

Ann Clin Biochem· May 2010

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Measurement of benzodiazepines in urine by liquid chromatography-tandem mass spectrometry: confirmation of samples screened by immunoassay.
Sarah J Glover, Keith R Allen

Ann Clin Biochem· March 2010

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Criteria for opiate identification using liquid chromatography linked to tandem mass spectrometry: problems in routine practice.
Elizabeth J Fox, Shirley Twigger, Keith R Allen

Ann Clin Biochem· January 2009

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Symptom scores, serotonin and 5-hydroxyindole acetic acid levels in cancer patients with and without bowel obstruction.
Michael I Bennett, Helen J Livingstone, Patrick Costello, Keith R Allen, Tim J Degg

Palliat Med· March 2007

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Autologous platelet gel in coronary artery bypass grafting: effects on surgical wound healing.
See N Vang, Chad P Brady, Kevin A Christensen, Keith R Allen, John E Anderson

J Extra Corpor Technol· March 2007

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Clinical evaluation of poly(2-methoxyethylacrylate) in primary coronary artery bypass grafting.
See N Vang, Chad P Brady, Kevin A Christensen, Jack R Isler, Keith R Allen

J Extra Corpor Technol· March 2005

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