substantial and adverse effect upon interstate commerce. Hospital Building
Company v. Trustees of Rex Hospital, 425 U.S. 738, 96 S. Ct. 1848, 48 L. Ed. 2d 338
(1976); Gulf ... would place an unreasonable burden on the "free and uninterrupted flow of interstate
commerce." Rex Hospital, supra, 96 S. Ct. at 1853. As one commentator described the
jurisdictional test ... used is that illustrated in the
recent Supreme Court cases, McLain, supra; Rex Hospital, supra, that place the emphasis
upon the interstate character of the defendants activities in general