Correction

Following the publication of this article [1], the authors noticed that Figs. 1, 2 and 3 were in the incorrect order and thus had incorrect captions. The images that were incorrectly published as Figs. 1, 2 and 3 should have been published as Figs. 2, 3 and 1 respectively.

Fig. 1
figure 1

Shrub and trunk of S. ochocoa. Photos taken at Mitzic, Woleu-Ntem (Nothern of Gabon) by Ngoua-Meye-Misso with digital camera Cannon 16 M pixel made in China

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Fig. 2
figure 2

Inhibitory effects of water extracts of plants on angiogenesis. The CAM of a 8 days old chick embryo was separately exposed to PBS (control). Extracts were introduced on top of the CAMs. After 48 h of incubation, the CAM tissue directly beneath each filter disk was resected, and digital images of the CAM sections were captured

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Fig. 3
figure 3

Haemoglobin content of CAM sections detected by Drabkin’s assay. The hemoglobin content in the CAM sections was determined by Drabkin method. As in the case of macroscopic observation of CAM that showed that the number of blood vessel branches was concentration dependent, so the present figure shows a hemoglobin content dependent on the concentration of S. Ochocoa water extract and sorafenib

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The correct versions of Figs. 1, 2 and 3 with captions have been included in this Correction.

The original article has been corrected.