Men visse pressionsgrupper har sagt at afspore forskningen i retning af pesticider, mens WHO i 1984 slog fast, at optagelse af forgiftet, forfalsket spiseolie var den eneste sandsynlige årsag til sygdom men. ###>Certain pressure groups, however, have tried to divert the research towards pesticides, whereas in 1984 the WHO established that absorption of adulterated contaminated