DOI:
10.1055/s-00000128
physioscience
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References
National Heart, Lung, and Blood Institute.
Study Quality Assessment Tools: for Observational Cohort and Cross-Sectional Studies, for Before-After (Pre-Post) Studies With No Control Group, for Case-Control Studies. Maryland, USA.
Im Internet (Stand: 10.01.2019):
www.nhlbi.nih.gov/health-topics/study-quality-assessment-tools
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