Accessing on-line information at the National Institutes of Health. Highlights and practical tips.
Brown
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University of Pennsylvania, School of Nursing, Philadelphia, USA.
Bair
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AH
Meier
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Pugh
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LC
Spatz
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DL
Borucki
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LC
Morin
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D003195:Computer Communication Networks; D016208:Databases, Factual; D006801:Humans; D009316:National Institutes of Health (U.S.); D012109:Research Support as Topic; D014481:United States