Basic Nursing - Text, Encyclopedia & Dictionary of Medicine, Nursing & Allied Health with FREE Study Guide Package, 5e.
基础护理——教材,医疗护理和综合健康百科全书与字典(附自由作业指南),第五版。
The University of Nottingham study examined whether the possibility of punishing free-riders leads to better group results.
VOA: special.2009.03.03
A new study has found the strongest evidence yet that smoke-free laws can reduce a major effect of tobacco smoking - heart disease.
VOA: special.2009.01.07
"Exposure to tobacco smoke is a risk factor for cardiac disease already in adolescents, and that's why this study supports that children and adolescents need smoke-free environments."
VOA: standard.2010.03.04
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