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observational context » observational concepts, observational contacts, observation content
observational cinema » observational clinical, observational economy, observational clues
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1
by LeBlanc, Erin, Chan, Benjamin, Nelson, Heidi D.
Published 2002
Agency for Healthcare Research and Quality (US)
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2
by LeBlanc, Erin, Chan, Benjamin, Nelson, Heidi D.
Published 2002
Agency for Healthcare Research and Quality (US)
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3
by Helfand, Mark
Published 2001
Agency for Healthcare Research and Quality (US)
“...STUDY SELECTION: We included controlled and observational studies of (1) the accuracy, yield...”
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4
by Helfand, Mark
Published 2001
Agency for Healthcare Research and Quality (US)
“...STUDY SELECTION: We included controlled and observational studies of (1) the accuracy, yield...”
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5
by Humphrey, Linda L., Chan, Benjamin, Detlefsen, Stephanie, Helfand, Mark
Published 2002
Agency for Healthcare Research and Quality (US)
“...CONTEXT: Breast cancer is the most commonly occurring non-skin malignancy among women in the United...”
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6
by Humphrey, Linda L., Chan, Benjamin, Detlefsen, Stephanie, Helfand, Mark
Published 2002
Agency for Healthcare Research and Quality (US)
“...CONTEXT: Breast cancer is the most commonly occurring non-skin malignancy among women in the United...”