There is a paucity of epidemiological studies of Tourette syndrome; ascertainment bias affects clinical studies. However, these suggestions are difficult to substantiate due to the paucity of data. Pressure mounted on law enforcement agencies, but the paucity of physical evidence severely hampered them. The paucity of priests significantly hampered church activities. This uncertainty is due largely to a paucity of contemporary sources. Current understanding of ancient Egyptian mathematics is impeded by the paucity of available sources. Masting refers to a concerted abundance of seed production followed by a period of paucity. The evolution of carnivorous plants is obscured by the paucity of their fossil record. The paucity of nuance in the book is astonishing. One man carries the "meager corpse of a fox" illustrating the paucity of the hunt. The Orange River has a relative paucity of species diversity. Thus it is difficult to determine Novgorod's political structure due to the paucity of sources. Despite the paucity of material, it was well described. There may have been other cases that remain unknown because of the paucity of material. Others have called attention to a paucity of opposing viewpoints.