sentences:  Pfizer claimed that the dose used was sufficient even though a clinical trial performed by "Médecins Sans Frontières" recommends a dose of 50-100mg/kg.A 2002 report by the World Bank described the military government that ruled Nigeria at the time of these events as "pervasively corrupt".It further cites widespread comments by business managers in Nigeria characterizing the National Agency for Food and Drug Administration and Control (NAFDAC) of that period as lacking the capabilities needed to perform its regulatory role and "harassing business and seeking bribes" rather than "protecting businesses and consumers".