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Point of care testing: randomised controlled trial of clinical outcome.

BMJ. 1998 Apr 4;316(7137):1052-7.
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Physicians' perceptions of laboratory costs in the intensive care unit. Hamilton Regional Critical Care Group.

Clin Invest Med. 1992 Oct 1; 15 (5): 476-81.
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Evaluating the performance of inpatient attending physicians: a new instrument for today's teaching hospitals.

J Gen Intern Med. 2004 Jul 1;19(7):766-71.