In the case of a [[horizontal]] concerted refusal to deal, the jury instructions include the following:<ref>ABA Model Jury Instructions in Civil Antitrust Cases B-50 to -51 (2005 Ed.)</ref> | In the case of a [[horizontal]] concerted refusal to deal, the jury instructions include the following:<ref>ABA Model Jury Instructions in Civil Antitrust Cases B-50 to -51 (2005 Ed.)</ref> |