NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.
The NCBI Handbook [Internet]. 2nd edition. Bethesda (MD): National Center for Biotechnology Information (US); 2013-.
This publication is provided for historical reference only and the information may be out of date.
Figure 3.
- Figure 3. [Report page of an Umbrella...]. - The NCBI HandbookFigure 3. [Report page of an Umbrella...]. - The NCBI Handbook
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