WCAB/3

Workers’ Comp. Appeals Bd., supra, 149 Cal.App.4th at p. 1382 [72 Cal.Comp.Cases at p. 398]); and (2) a physician’s opinion on apportionment “cannot be disregarded as being speculative when it was based on his expertise in evaluating the significance of the[] facts.” (E.L. Yeager Construction v. ................
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