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DHEA induces angiogenesis in the chick embryo CAM assay. After 3 d incubation with DHEA (10 pm to 100 nm) or vehicle, the number of vessels crossing into the sponge area was counted. Representative photographs are shown along with cumulative data, expressed as mean ± sd from five to eight eggs in each group. *, P < 0.05 vs. vehicle-treated control.
