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Normal chick chorioallantoic membrane-angiogenesis evaluation of ZnCl2 and of EM2 + ZnCl2; suggestive stereomicroscopic images were registered on day 1 (A–D), 3 (E–H) and 5 (I–L) of the experiment. EM2 100 µM and ZnCl2 1% and 5% (m/m) were tested.
