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. 2019 Mar 15;11(3):633. doi: 10.3390/nu11030633

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Albatross plots for each outcome of cell culture studies: (A) indirect effects (growth); (B) indirect effects (other); and (C) direct effects. Each point represents a single study, with the effect estimate (represented as a p-value), plotted against the total given sample size (n) included within each study. Contour lines are standardized mean differences (SMD). p-values reported as <0.05 were plotted as 0.05 as a conservative estimate, while non-significant (null) p-values were plotted as 1.

Albatross plots for each outcome of cell culture studies: (A) indirect effects (growth); (B) indirect effects (other); and (C) direct effects. Each point represents a single study, with the effect estimate (represented as a p-value), plotted against the total given sample size (n) included within each study. Contour lines are standardized mean differences (SMD). p-values reported as <0.05 were plotted as 0.05 as a conservative estimate, while non-significant (null) p-values were plotted as 1.