SALINA, Kan. (AP) — A Kansas doctor is comparing the effects of synthetic drugs showing up in Salina with those experienced by PCP users when he was doing medical training in Chicago. Dr. Keir Swisher says 60 people have been brought into the emergency room at Salina Regional Health Center in the past six weeks, most of whom arrived by ambulance, after smoking chemical-laced potpourri. The Salina Journal reports most patients come to the hospital "either seizing, convulsing or unconscious, in a coma." The current spike in medical emergencies related to so-called potpourri reminds him of four years ago, before publicity about the unpredictable side effects of the products and a law enforcement crackdown on sellers slowed use. Swisher says at least one patient had smoked potpourri that was laced with methamphetamine.