"There are a multitude of bureaucratic difficulties resulting from this scheduling," she said. "There are a multitude of bureaucratic difficulties resulting from this scheduling," she said. Dennis McKenna's research has focused on the interdisciplinary study of Amazonian ethnopharmacology and plant hallucinogens. 9780470244548 0470244542 WileyPLUS/WebCT Stand Alone to Accompany Dicho 8th Edition Student Text W/ Audio CD, Laila M. Dawson 4560194210372 Destination Now, Nu "There are a multitude of bureaucratic difficulties resulting from this scheduling," she said. 9780470244548 0470244542 WileyPLUS/WebCT Stand Alone to Accompany Dicho 8th Edition Student Text W/ Audio CD, Laila M. Dawson 4560194210372 Destination Now, Nu "There are a multitude of bureaucratic difficulties resulting from this scheduling," she said. 9780470244548 0470244542 WileyPLUS/WebCT Stand Alone to Accompany Dicho 8th Edition Student Text W/ Audio CD, Laila M. Dawson 4560194210372 Destination Now, Nu Dennis McKenna's research has focused on the interdisciplinary study of Amazonian ethnopharmacology and plant hallucinogens. Dennis McKenna's research has focused on the interdisciplinary study of Amazonian ethnopharmacology and plant hallucinogens. Dennis McKenna's research has focused on the interdisciplinary study of Amazonian ethnopharmacology and plant hallucinogens.